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Author Question: The amount of material used in making a custom sail for a sailboat is normally distributed with a ... (Read 47 times)

FButt

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on: Jun 24, 2018
The amount of material used in making a custom sail for a sailboat is normally distributed with a standard deviation of 64 square feet. For a random sample of 15 sails, the mean amount of material used is 912 square feet.
 
  Which of the following represents a 99 confidence interval for the population mean amount of material used in a custom sail?A) 912  49.2
  B) 912  42.6
  C) 912  44.3
  D) 912  46.8

Question 2

The listing of all possible outcomes of an experiment and their corresponding probability of occurrence is called a(n):
 
  A) random variable.
  B) objective probability.
  C) probability distribution.
  D) hypergeometric function.


l.stuut

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


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