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Author Question: The Ford Motor Company is interested in consumer acceptance of its subcompact car based on the ... (Read 148 times)

sc00by25

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on: Jun 24, 2018
The Ford Motor Company is interested in consumer acceptance of its subcompact car based on the proportion of positive responses to a survey. How large a survey must the company take to have 95 confidence and no more than 0.01 error?
 a. 19208
  b. 9604
  c. 49
  d. 4900
  e. 9603

Question 2

The Arkansas State Police wish to estimate the average mph being traveled on the Interstate Highways, which cross the state. If the estimate is to be within 8 mpg of the true mean with 98 confidence and the estimated standard deviation is 22 mph, how large a sample size must be taken?
 a. 42
  b. 15
  c. 329
  d. 14
  e. 41


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jaymee143

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

B

Answer to Question 2

A


sc00by25

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Reply 2 on: Jun 24, 2018
Gracias!

softEldritch

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Reply 3 on: Yesterday
Excellent

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