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Author Question: Candidate A is running for president of the student government at a large university. The proportion ... (Read 122 times)

vinney12

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  • Posts: 586
on: Jun 24, 2018
Candidate A is running for president of the student government at a large university. The proportion of voters who favor the candidate is .8 . A simple random sample of 100 voters is taken.
 a. What are the expected value, standard deviation, and shape of the sampling distribution of p?
  b. What is the probability that the number of voters in the sample who will not favor Candidate A will be between 26 and 30?
 c. What is the probability that the number of voters in the sample who will NOT favor Candidate A will be more than 16?

Question 2

Assume z is a standard normal random variable. Then P(z  2.11) equals _____.
 a. .4821
  b. .9821
  c. .5
  d. .0174


phuda

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

a. .8; .04; normal
b. .0606
c. .8413

Answer to Question 2

d


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