Appliance dealer
An appliance dealer calculated the proportion of new dishwashers sold that required various numbers of service calls to correct problems during the warranty period.The records were: $$\begin{array} { | c | c | }
\hline \text { No. of service calls } & \text { Relative frequency } \
\hline 0 & 0.25 \
1 & 0.38 \
2 & 0.30 \
3 & 0.04 \
4 & 0.03 \
\hline
\end{array}$$
-Let X be the number of service calls during the warranty period for a dishwasher.What is the probability that there will be at least one service call?

Question

Appliance dealer
An appliance dealer calculated the proportion of new dishwashers sold that required various numbers of service calls to correct problems during the warranty period.The records were: $$\begin{array} { | c | c | } 
\hline \text { No. of service calls } & \text { Relative frequency } \
\hline 0 & 0.25 \
1 & 0.38 \
2 & 0.30 \
3 & 0.04 \
4 & 0.03 \
\hline
\end{array}$$
-Let X be the number of service calls during the warranty period for a dishwasher.What is the probability that there will be at least one service call?

Quizplus · Accepted Answer

The Answer of Appliance dealer
An appliance dealer calculated the proportion of new dishwashers sold that required various numbers of service calls to correct problems during the warranty period.The records were: $$\begin{array} { | c | c | } 
\hline \text { No. of service calls } & \text { Relative frequency } \
\hline 0 & 0.25 \
1 & 0.38 \
2 & 0.30 \
3 & 0.04 \
4 & 0.03 \
\hline
\end{array}$$
-Let X be the number of service calls during the warranty period for a dishwasher.What is the probability that there will be at least one service call?

Appliance Dealer an Appliance Dealer Calculated the Proportion of New

Appliance Dealer
an Appliance Dealer Calculated the Proportion of New