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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 19SGR
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