Use the addition rule or the multiplication rule for probability.
-As an incentive to get new customers, the local branch of a bank launched "bouncing
For bucks." During this week long event, any customer opening a new checking account
With the bank would have the opportunity to throw a bouncy rubber ball into a large box
Divided into squares. Each square was labeled with a dollar amount that would be
Deposited into his / her new checking account. The way the box was labeled is shown
Below. What is the probability that three customers in a row do not get $50? $$\begin{array} { | l | l | l | l | l | }
\hline 10 & 30 & 10 & 30 & 10 \
\hline 20 & 10 & 50 & 10 & 20 \
\hline
\end{array}$$
A) 0.125
B) 0.001
C) 0.729
D) 0.970
E) 0.300

Question

Use the addition rule or the multiplication rule for probability.
-As an incentive to get new customers, the local branch of a bank launched "bouncing
For bucks." During this week long event, any customer opening a new checking account
With the bank would have the opportunity to throw a bouncy rubber ball into a large box
Divided into squares. Each square was labeled with a dollar amount that would be
Deposited into his / her new checking account. The way the box was labeled is shown
Below. What is the probability that three customers in a row do not get $50? $$\begin{array} { | l | l | l | l | l | } 
\hline 10 & 30 & 10 & 30 & 10 \
\hline 20 & 10 & 50 & 10 & 20 \
\hline
\end{array}$$
A) 0.125
B) 0.001
C) 0.729
D) 0.970
E) 0.300

Quizplus · Accepted Answer

The probability of not getting $50 in one throw is 9/10 (since there is 1 square with $50 out of 10 total squares). For three customers in a row, the probability is (9/10) * (9/10) * (9/10) = 0.729.

Use the Addition Rule or the Multiplication Rule for Probability 10301030102010501020\begin{array} { | l | l | l | l | l | } \hline 10 & 30 & 10 & 30 & 10 \\\hline 20 & 10 & 50 & 10 & 20 \\\hline\end{array}1020​3010​1050​3010​1020​​

Use the Addition Rule or the Multiplication Rule for Probability $\begin{array} { | l | l | l | l | l | } \hline 10 & 30 & 10 & 30 & 10 \\\hline 20 & 10 & 50 & 10 & 20 \\\hline\end{array}$