The average amount of money that people spend at Don Mcalds fast food place is $7.1200 with a standard deviation of $1.8000. 8 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution. What is the
The average amount of money that people spend at Don Mcalds fast food place is $7.1200 with a standard deviation of $1.8000. 8 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution. What is the
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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The average amount of money that people spend at Don Mcalds fast food place is $7.1200 with a standard deviation of $1.8000. 8 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a
- What is the distribution of �? � ~ N(Correct,Correct)
- What is the distribution of �¯? �¯ ~ N(Correct,Correct)
- What is the distribution of ∑�? ∑� ~ N(,)
- What is the probability that one randomly selected customer will spend more than $6.6654?
- For the 8 customers, find the probability that their average spent is more than $6.6654.
- Find the probability that the randomly selected 8 customers will spend less than $53.3232.
- For part e) and f), is the assumption of normal necessary? NoYes
- The owner of Don Mcalds gives a coupon for a free sundae to the 4% of all groups of 8 people who spend the most money. At least how much must a group of 8 spend in total to get the free sundae? $
Hint:
Some Helpful Videos:
- Finding the Sampling Distribution [+]
- Finding a Probability Using the Central Limit Theorem [+]
- Finding Value Given a Probability Using the Central Limit Theorem [+]
- The Central Limit Theorem For Sums [+]
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