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Author Question: Twenty-five percent of all resumes received by a corporation for a management position are from ... (Read 130 times)

KWilfred

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on: Jun 24, 2018
Twenty-five percent of all resumes received by a corporation for a management position are from females. Fifteen resumes will be received tomorrow.
 a. Define the random variable in words for this experiment.
  b. What is the probability that exactly 5 of the resumes will be from females?
  c. What is the probability that fewer than 3 of the resumes will be from females?
  d. What is the expected number of resumes from women?
  e. What is the variance of the number of resumes from women?

Question 2

In order to test for the significance of a regression model involving 4 independent variables and 36 observations, the numerator and denominator degrees of freedom (respectively) for the critical value of F are
 a. 4 and 36
  b. 3 and 35
  c. 4 and 31
  d. 4 and 32


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adammoses97

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

a. x = the number of resumes out of 15 that are from females
b. 0.1651
c. 0.2361
d. 3.75
e. 2.8125

Answer to Question 2

C


KWilfred

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

frankwu0507

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Reply 3 on: Yesterday
Excellent

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