Author Question: Suppose it is known that 93 percent of all parts in an inventory of 18,900 parts are in workable ... (Read 102 times)

Kthamas

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Suppose it is known that 93 percent of all parts in an inventory of 18,900 parts are in workable order.
 
  If a sample of n = 100 parts were selected from the inventory, based on the concept of sampling distributions of proportions, it can be assumed that the sample proportion of workable parts will also be 0.93. Indicate whether the statement is true or false

Question 2

At issue is the proportion of people in a particular county who do not have health care insurance coverage. A simple random sample of 240 people was asked if they have insurance coverage, and 66 replied that they did not have coverage.
 
  Based on these sample data, determine the 95 confidence interval estimate for the population proportion.A) (0.239, 0.321 )
  B) (0.259, 0.301 )
  C) (0.224, 0.336 )
  D) (0.268, 0.292 )



ms_sulzle

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Answer to Question 1

FALSE

Answer to Question 2

C



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