From past records, a store finds that 26% of people who enter the store will make a purchase. 18 people enter the store during a one-hour period. a. What is the probability that exactly 10 customers make a purchase? 18 customers? 3 customers? b. Find the expected number of customers who make a purchase. c. Find the variance and standard deviation of the number of customers who make a purchase
From past records, a store finds that 26% of people who enter the store will make a purchase. 18 people enter the store during a one-hour period. a. What is the probability that exactly 10 customers make a purchase? 18 customers? 3 customers? b. Find the expected number of customers who make a purchase. c. Find the variance and standard deviation of the number of customers who make a purchase
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Transcribed Image Text:Question 6
From past records, a store finds that 26% of people who enter the store will make a purchase. 18 people
enter the store during a one-hour period.
a. What is the probability that exactly 10 customers make a purchase? 18 customers? 3 customers?
b. Find the expected number of customers who make a purchase.
C.
Find the variance and standard deviation of the number of customers who make a purchase
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