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A Survey Asked 897 People How Many Times Per Week

question 70

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A survey asked 897 people how many times per week they dine out at a restaurant. The results are presented in the following table.
 Number of Times  Frequency 014312442237314047852462378 Total 897\begin{array}{cc}\hline \text { Number of Times } & \text { Frequency } \\\hline 0 & 143 \\1 & 244 \\2 & 237 \\3 & 140 \\4 & 78 \\5 & 24 \\6 & 23 \\7 & 8 \\\hline \text { Total } & 897\end{array}

Consider the 897 people to be a population. Let XX be the number of times per week a person dines out for a person sampled at random from this population. Find the probability that a person dines out 4 or more times per week.


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