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Author Question: A simple random sample of 28 observations was taken from a large population. The sample mean equaled ... (Read 156 times)

tingc95

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on: Jun 24, 2018
A simple random sample of 28 observations was taken from a large population. The sample mean equaled 50 . Fifty is a _____.
 a. population parameter
  b. point estimator
  c. sample parameter
  d. point estimate

Question 2

Twenty percent of the applications received for a position are rejected. What is the probability that among the next 14 applications,
 a. none will be rejected?
  b. all will be rejected?
  c. less than 2 will be rejected?
  d. more than 4 will be rejected?
  e. Determine the expected number of rejected applications and its variance.


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jliusyl

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

d

Answer to Question 2

a. .0440
b. .0000
c. .1979
d. .1298
e. 2.8, 2.24


tingc95

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Reply 2 on: Jun 24, 2018
:D TYSM

raenoj

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

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