Page 5 of 11 -/8 pointsBBUnderStat10 4.1.021. John runs a computer software stor

Question

Page 5 of 11 -/8 pointsBBUnderStat10 4.1.021. John runs a computer software store. Yesterday he counted 139 people who walked by the store, 63 of whom came into the store. Of the 63, only 21 bought something in the store. (a) Estimate the probability that a person who walks by the store will enter the store. (Round your answer to two decimal places.) 63/,40 (b) Estimate the probability that a person who walks into the store will buy something. (Round your answer to two decimal places.) (c) Estimate the probability that a person who walks by the store will come in and buy something. (Round your answer to two decimal places.) (d) Estimate the probability that a person who comes into the store will buy nothing (Round your answer to two decimal places.) Need Help? Watch It Talk to a Tutor

Explanation / Answer

Answers will be

a) 63/139 = 0.45

b) 21/63 = 0.33

c) 21/139 = 0.15

d) (63-21)/63 = 0.67

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