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Author Question: An interval estimate is used to estimate _____. a. the shape of the population's distribution b. ... (Read 123 times)

arivle123

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on: Jun 24, 2018
An interval estimate is used to estimate _____.
 a. the shape of the population's distribution
  b. the sampling distribution
  c. a sample statistic
  d. a population parameter

Question 2

The ages of students at a university are normally distributed with a mean of 21 . What percentage of the student body is at least 21 years old?
 a. It could be any value, depending on the magnitude of the standard deviation.
  b. 50
  c. 21
  d. 1.96


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ryhom

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

d

Answer to Question 2

b


arivle123

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Reply 2 on: Jun 24, 2018
Excellent

JaynaD87

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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