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Author Question: Given that X is a binomial random variable, the binomial probability P(X (Read 136 times)

drink

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on: Jul 24, 2018
Given that X is a binomial random variable, the binomial probability P(X <= x) is approximated by the area under a normal curve to the left of:
 a. x
  b. -x
  c. x + 0.5
  d. x - 0.1
  e. -x - 0.1

Question 2

When finding a confidence interval for a population mean based on a sample of size 8, which assumption is made?
 a. The population standard deviation, is known.
  b. The sampling distribution of z is normal.
  c. The sampled population is approximately normal.
  d. There is no special assumption made.
  e. None of these.


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Danny Ewald

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

C

Answer to Question 2

C


drink

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

nathang24

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Reply 3 on: Yesterday
Wow, this really help

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