Solved

The Amount of Time It Takes to Serve Each Customer

Question 111

Multiple Choice

The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time?


A) Var(
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
+
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
+
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
) =
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
Var(X) = 9
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
B) Var(3X) = 3Var(X) = 3
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
C) Var(
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
+
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
+
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
) =
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
Var(X) =
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
D) Var(3X) =
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
Var(X) = 9
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
E) Var(
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
+
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
+
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
) = Var(
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
) + Var(
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
) + Var(
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3
) = 3
The amount of time it takes to serve each customer in a bank is a random variable,X,with a mean of μ minutes and a standard deviation of σ minutes.When you arrive at the bank there are three customers in front of you.If the times for the three customers are independent of one another,which of the following shows the correct method for calculating the variance of your wait time? A) Var( + + ) = Var(X) = 9 B) Var(3X) = 3Var(X) = 3 C) Var( + + ) = Var(X) = D) Var(3X) = Var(X) = 9 E) Var( + + ) = Var( ) + Var( ) + Var( ) = 3

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q102: The amount of time it takes to

Q103: The amount of money that Jon can

Q104: Janet is planning to rent a booth

Q105: If X and Y are independent random

Q106: The amount of money that Maria earns

Q107: Janet is planning to rent a booth

Q108: The amount of money that Maria earns

Q110: An insurance company estimates that it should

Q118: The amount of money that Jon can

Q193: Miguel buys a large bottle and a

Unlock this Answer For Free Now!

View this answer and more for free by performing one of the following actions

qr-code

Scan the QR code to install the App and get 2 free unlocks

upload documents

Unlock quizzes for free by uploading documents