Question

Steele Electronics Inc. sells expensive brands of stereo equipment in several shopping malls. The marketing research...

Steele Electronics Inc. sells expensive brands of stereo equipment in several shopping malls. The marketing research department of Steele reports that 32% of the customers entering the store that indicate they are browsing will, in the end, make a purchase. Let the last 25 customers who enter the store be a sample.

a. How many of these customers would you expect to make a purchase? (Round the final answer to the nearest whole number.)

Number of Customers           

b. What is the probability that exactly seven of these customers make a purchase? (Round the final answer to 4 decimal places.)

Probability           

c. What is the probability 13 or more make a purchase? (Round the final answer to 4 decimal places.)

Probability           

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

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Answer #1

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