Question 1

In the Poisson distribution,the ____________________ is equal to the variance.

Accepted Answer

The answer of In the Poisson distribution,the ____________________ is equal...

Question 2

Post office
The number of arrivals at a local post office between 3:00 and 5:00 P.M.has a Poisson distribution with a mean of 12.
-{Post Office Narrative} Find the probability that the number of arrivals between 3:00 and 5:00 P.M.is at least 10.

Accepted Answer

The answer of Post office
The number of arrivals at a...

Question 3

The possible values of a Poisson random variable start at ____________________.

Accepted Answer

The answer of The possible values of a Poisson random...

Question 4

Unsafe Levels of Radioactivity
The number of incidents at a nuclear power plant has a Poisson distribution with a mean of 6 incidents per year.
-{Unsafe Levels of Radioactivity Narrative} Find the probability that there will be at least 3 incidents in a year.

Accepted Answer

The answer of Unsafe Levels of Radioactivity
The number of incidents...

Question 5

A Poisson random variable is a(n)____________________ random variable.

Accepted Answer

The answer of A Poisson random variable is a(n)____________________ random...

Question 6

Classified Department Phone Calls
A classified department receives an average of 10 telephone calls each afternoon between 2 and 4 P.M.The calls occur randomly and independently of one another.
-{Classified Department Phone Calls Narrative} Find the probability that the department will receive seven calls between 2 and 3 P.M.on a particular afternoon.

Accepted Answer

The answer of Classified Department Phone Calls
A classified department receives...

Question 7

In the Poisson distribution,the mean is equal to the ____________________.

Accepted Answer

The answer of In the Poisson distribution,the mean is equal...

Question 8

In a Poisson experiment,the probability of a success in an interval is ____________________ to the size of the interval.

Accepted Answer

The answer of In a Poisson experiment,the probability of a...

Question 9

Post office
The number of arrivals at a local post office between 3:00 and 5:00 P.M.has a Poisson distribution with a mean of 12.
-{{Post Office Narrative} Find the probability that the number of arrivals between 4:00 and 5:00 P.M.is exactly two.

Accepted Answer

The answer of Post office
The number of arrivals at a...

Question 10

In Poisson experiment,the probability of more than one success in an interval approaches ____________________ as the interval becomes smaller.

Accepted Answer

The answer of In Poisson experiment,the probability of more than...

Question 11

The ____________________ of a Poisson distribution is the rate at which successes occur for a given period of time or interval of space.

Accepted Answer

The answer of The ____________________ of a Poisson distribution is...

Question 12

911 Phone Calls
911 phone calls arrive at the rate of 30 per hour at the local call center.
-{911 Phone Calls Narrative} Find the probability of receiving exactly eight calls in 15 minutes.

Accepted Answer

The answer of 911 Phone Calls
911 phone calls arrive at...

Question 13

911 Phone Calls
911 phone calls arrive at the rate of 30 per hour at the local call center.
-{911 Phone Calls Narrative} If no calls are currently being processed,what is the probability that the desk employee can take four minutes break without being interrupted?

Accepted Answer

The answer of 911 Phone Calls
911 phone calls arrive at...

Question 14

Unsafe Levels of Radioactivity
The number of incidents at a nuclear power plant has a Poisson distribution with a mean of 6 incidents per year.
-{Unsafe Levels of Radioactivity Narrative} Find the probability that there will be exactly 3 incidents in a year.

Accepted Answer

The answer of Unsafe Levels of Radioactivity
The number of incidents...

Question 15

Post office
The number of arrivals at a local post office between 3:00 and 5:00 P.M.has a Poisson distribution with a mean of 12.
-{Post Office Narrative} Find the probability that the number of arrivals between 3:30 and 4:00 P.M.is at least 10.

Accepted Answer

The answer of Post office
The number of arrivals at a...

Question 16

Post office
The number of arrivals at a local post office between 3:00 and 5:00 P.M.has a Poisson distribution with a mean of 12.
-Suppose that the number of buses arriving at a Depot per minute is a Poisson process.If the average number of buses arriving per minute is 3,what is the probability that exactly 6 buses arrive in the next minute?

Accepted Answer

The answer of Post office
The number of arrivals at a...

Question 17

Classified Department Phone Calls
A classified department receives an average of 10 telephone calls each afternoon between 2 and 4 P.M.The calls occur randomly and independently of one another.
-{Classified Department Phone Calls Narrative} Find the probability that the department will receive at least five calls between 2 and 4 P.M.on a particular afternoon.

Accepted Answer

The answer of Classified Department Phone Calls
A classified department receives...

Question 18

911 Phone Calls
911 phone calls arrive at the rate of 30 per hour at the local call center.
-{911 Phone Calls Narrative} Find the probability of receiving two calls in a five-minute interval of time.

Accepted Answer

The answer of 911 Phone Calls
911 phone calls arrive at...

Question 19

Classified Department Phone Calls
A classified department receives an average of 10 telephone calls each afternoon between 2 and 4 P.M.The calls occur randomly and independently of one another.
-{Classified Department Phone Calls Narrative} Find the probability that the department will receive 13 calls between 2 and 4 P.M.on a particular afternoon.

Accepted Answer

The answer of Classified Department Phone Calls
A classified department receives...

Question 20

A Poisson random variable is the number of successes that occur in a period of ____________________ or an interval of ____________________ in a Poisson experiment.

Accepted Answer

The answer of A Poisson random variable is the number...

Quiz 7: B: Random Variables and Discrete Probability Distributions

In the Poisson distribution,the ____________________ is equal to the variance.

Post office The number of arrivals at a local post office between 3:00 and 5:00 P.M.has a Poisson distribution with a mean of 12. -{Post Office Narrative} Find the probability that the number of arrivals between 3:00 and 5:00 P.M.is at least 10.

The possible values of a Poisson random variable start at ____________________.

Unsafe Levels of Radioactivity The number of incidents at a nuclear power plant has a Poisson distribution with a mean of 6 incidents per year. -{Unsafe Levels of Radioactivity Narrative} Find the probability that there will be at least 3 incidents in a year.

A Poisson random variable is a(n)____________________ random variable.

In the Poisson distribution,the mean is equal to the ____________________.

In a Poisson experiment,the probability of a success in an interval is ____________________ to the size of the interval.

Post office The number of arrivals at a local post office between 3:00 and 5:00 P.M.has a Poisson distribution with a mean of 12. -{{Post Office Narrative} Find the probability that the number of arrivals between 4:00 and 5:00 P.M.is exactly two.

In Poisson experiment,the probability of more than one success in an interval approaches ____________________ as the interval becomes smaller.

The ____________________ of a Poisson distribution is the rate at which successes occur for a given period of time or interval of space.

911 Phone Calls 911 phone calls arrive at the rate of 30 per hour at the local call center. -{911 Phone Calls Narrative} Find the probability of receiving exactly eight calls in 15 minutes.

911 Phone Calls 911 phone calls arrive at the rate of 30 per hour at the local call center. -{911 Phone Calls Narrative} If no calls are currently being processed,what is the probability that the desk employee can take four minutes break without being interrupted?

Unsafe Levels of Radioactivity The number of incidents at a nuclear power plant has a Poisson distribution with a mean of 6 incidents per year. -{Unsafe Levels of Radioactivity Narrative} Find the probability that there will be exactly 3 incidents in a year.

Post office The number of arrivals at a local post office between 3:00 and 5:00 P.M.has a Poisson distribution with a mean of 12. -{Post Office Narrative} Find the probability that the number of arrivals between 3:30 and 4:00 P.M.is at least 10.

911 Phone Calls 911 phone calls arrive at the rate of 30 per hour at the local call center. -{911 Phone Calls Narrative} Find the probability of receiving two calls in a five-minute interval of time.

A Poisson random variable is the number of successes that occur in a period of or an interval of in a Poisson experiment.