What is the probability 15 or more make a purchase

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1. Steele Electronics Inc. sells expensive brands of stereo equipment in several shopping malls. The marketing research department of Steele reports that 37% of the customers entering the store that indicate they are browsing will, in the end, make a purchase. Let the last 26 customers who enter the store be a sample.

a. How many of these customers would you expect to make a purchase?

b. What is the probability that exactly six of these customers make a purchase?

c. What is the probability 15 or more make a purchase?

d. Does it seem likely at least one will make a purchase ("likely" refers if the probability is more than 70%)?

Reference no: EM132852613

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