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McPhilly is conducting a study on the amount of money a customer spends on each visit to the restaurant. The company looks at 20 receipts from each McPhilly. The company found that the mean amount spent is $11 with a $3 standard deviation. a. What type of sampling method was used? b. What is the probability that a customer spend less than $8 each visit? c. What is the probability that a customer spends more than $13 each visit?

McPhilly is conducting a study on the amount of money a customer spends on each visit to the restaurant. The company looks at 20 receipts from each McPhilly. The company found that the mean amount spent is $11 with a $3 standard deviation. a. What type of sampling method was used? b. What is the probability that a customer spend less than $8 each visit? c. What is the probability that a customer spends more than $13 each visit?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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McPhilly is conducting a study on the amount of money a customer spends on each visit to the restaurant. The company looks at 20 receipts from each McPhilly. The company found that the mean amount spent is $11 with a $3 standard deviation. a. What type of sampling method was used? b. What is the probability that a customer spend less than $8 each visit? c. What is the probability that a customer spends more than $13 each visit? d. The customers were asked to respond to the following survey question, determine if the question is biased. Explain why or why not? "Do you think you get value for your money at a McPhilly?"
Transcribed Image Text:McPhilly is conducting a study on the amount of money a customer spends on each visit to the restaurant. The company looks at 20 receipts from each McPhilly. The company found that the mean amount spent is $11 with a $3 standard deviation. a. What type of sampling method was used? b. What is the probability that a customer spend less than $8 each visit? c. What is the probability that a customer spends more than $13 each visit? d. The customers were asked to respond to the following survey question, determine if the question is biased. Explain why or why not? "Do you think you get value for your money at a McPhilly?"
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