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Author Question: As the sample size increases, the _____. a. standard deviation of the population decreases b. ... (Read 138 times)

jlmhmf

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on: Jun 24, 2018
As the sample size increases, the _____.
 a. standard deviation of the population decreases
  b. population mean increases
  c. standard error of the mean decreases
  d. standard error of the mean increases

Question 2

Twenty-five percent of all rsums received by a corporation for a management position are from females. Fifteen rsums will be received tomorrow.
 a. Define the random variable in words for this experiment.
  b. What is the probability that exactly 5 of the rsums will be from females?
  c. What is the probability that fewer than 3 of the rsums will be from females?
  d. What is the expected number of rsums from women?
  e. What is the variance of the number of rsums from women?


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sarajane1989

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

c

Answer to Question 2

a. x = the number of rsums out of 15 that are from females
b. .1651
c. .2361
d. 3.75
e. 2.8125


jlmhmf

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Reply #2 on: Jun 24, 2018
Correct answers!


sarajane1989

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Reply #3 on: Jun 24, 2018
Great! Please up vote :D


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