For the group of 47 patrons, find the probability that the average lunch cost is between $6.44 and $6.85. For part d), is the assumption that the distribution is normal necessary? NoYes NOTE... QUESTION (4, or letter D) AND QUESTION ( 5 OR LETTER e) was not answerwd. Please submit answers
For the group of 47 patrons, find the probability that the average lunch cost is between $6.44 and $6.85. For part d), is the assumption that the distribution is normal necessary? NoYes NOTE... QUESTION (4, or letter D) AND QUESTION ( 5 OR LETTER e) was not answerwd. Please submit answers
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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Question
The average amount of money spent for lunch per person in the college cafeteria is $6.57 and the standard deviation is $2.93. Suppose that 47 randomly selected lunch patrons are observed. Assume the distribution of money spent is normal, and round all answers to 4 decimal places where possible.
- What is the distribution of XX? XX ~ N(,)
- What is the distribution of ¯xx¯? ¯xx¯ ~ N(,)
- For a single randomly selected lunch patron, find the probability that this patron's lunch cost is between $6.44 and $6.85.
- For the group of 47 patrons, find the probability that the average lunch cost is between $6.44 and $6.85.
- For part d), is the assumption that the distribution is normal necessary? NoYes
NOTE... QUESTION (4, or letter D) AND QUESTION ( 5 OR LETTER e) was not answerwd. Please submit answers.
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