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Author Question: The expected value, E(X), of a binomial probability distribution with n trials and probability p of ... (Read 209 times)

ap345

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on: Jun 24, 2018
The expected value, E(X), of a binomial probability distribution with n trials and probability p of success is:
 a. n + p
  b. np(1 - p)
  c. np
  d. n + p - 1

Question 2

If n = 20 and p = 0.70, then the standard deviation of the binomial distribution is
 a. 0.14
  b. 2.05
  c. 14.0
  d. 14.7


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dmurph1496

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

C

Answer to Question 2

B


ap345

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

ttt030911

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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