The two-way table summarizes the responses of 120 people to a survey in which th
Carol Gates
Answered question
2021-10-19
The two-way table summarizes the responses of 120 people to a survey in which they were asked, "Do you exercise for at least 30 minutes four or more times per week?" and "What kind of vehicle do you drive?''
Suppose one person from this sample is randomly selected. Find the probability that the person drives an SUV.
Answer & Explanation
l1koV
Skilled2021-10-20Added 100 answers
Step 1
Determine the row and column totals, which is the sum of all counts in the row/column:
The table contains 120 people in total (which is given in the bottom right corner of the table), while 39 of the 120 people drive an SUV (since 39 is mentioned in the row ''Total'' and in the column ''SUV'' of the given table).
The probability is the number of favorable outcomes divided by the number of possible outcomes:
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