Homework: HW #4 Score: 0 of 1 pt 4.2.9 | 12042 (40 complete) HW Score: 76.63%, 3

Question

Homework: HW #4 Score: 0 of 1 pt 4.2.9 | 12042 (40 complete) HW Score: 76.63%, 32.18 of 42 pts Question Help Use the data in the following table, which lists drive thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant Order Accurate Order Not Accurate 39 315 | 26 230 | 126 18 59 32 If one order is selected, find the probability of getting food that is not from Restaurant A The probability of getting food that is not from Restaurant As (Round to three decimal places as needed) nter your answer in the answer box and then click Check Answer. Check Answer Clear Al l parts showing

Explanation / Answer

Solution:

Total restaurnat = 315 + 39 + 266 + 59 + 230 + 32 + 126 + 18 = 1085

P(Food not from restaurantt A) = 1 - P(food from restaurant A)

= 1 - (315 + 39) / 1085

= 1 - 0.3263

= 0.6737

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