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The average amount of money that people spend at Don Mcalds fast food place is $7.9000 with a standard deviation of $1.9900. 12 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution. For the 12 customers, find the probability that their average spent is more than $8.4183.  Find the probability that the randomly selected 12 customers will spend less than $101.0196. The owner of Don Mcalds gives a coupon for a free sundae to the 4% of all groups of 12 people who spend the most money. At least how much must a group of 12 spend in total to get the free sundae? $

The average amount of money that people spend at Don Mcalds fast food place is $7.9000 with a standard deviation of $1.9900. 12 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution. For the 12 customers, find the probability that their average spent is more than $8.4183.  Find the probability that the randomly selected 12 customers will spend less than $101.0196. The owner of Don Mcalds gives a coupon for a free sundae to the 4% of all groups of 12 people who spend the most money. At least how much must a group of 12 spend in total to get the free sundae? $

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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The average amount of money that people spend at Don Mcalds fast food place is $7.9000 with a standard deviation of $1.9900. 12 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution.

  1. For the 12 customers, find the probability that their average spent is more than $8.4183. 
  2. Find the probability that the randomly selected 12 customers will spend less than $101.0196.
  3. The owner of Don Mcalds gives a coupon for a free sundae to the 4% of all groups of 12 people who spend the most money. At least how much must a group of 12 spend in total to get the free sundae? $
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