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Author Question: An experiment consists of tossing four coins successively. The number of sample points in this ... (Read 175 times)

BRWH

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on: Jun 24, 2018
An experiment consists of tossing four coins successively. The number of sample points in this experiment is _____.
 a. 16
  b. 8
  c. 4
  d. 2

Question 2

You are given the following information obtained from a random sample of 6 observations. Assume the population has a normal distribution. 14 20 21 16 18 19
 a. What is the point estimate of ?
  b. Construct an 80 confidence interval for .
  c. Construct a 98 confidence interval for .
  d. Discuss why the 80 and 98 confidence intervals are different.


huda

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  • Posts: 304
Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

a. 18
b. 16.43 to 19.57 (rounded)
c. 14.42 to 21.58 (rounded)
d. As the level of confidence increases, the confidence interval gets wider.


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