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Author Question: A probability distribution showing the probability of x successes in n trials, where the probability ... (Read 232 times)

KimWrice

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on: Jun 24, 2018
A probability distribution showing the probability of x successes in n trials, where the probability of success does not change from trial to trial, is termed a _____.
 a. uniform probability distribution
  b. binomial probability distribution
  c. hypergeometric probability distribution
  d. normal probability distribution

Question 2

Consider the following hypothesis test: H0:  = 10 Ha:   10 A sample of 81 provides a sample mean of 9.5 and a sample standard deviation of 1.8.
 a. Determine the standard error of the mean.
  b. Compute the value of the test statistic.
  c. Determine the p-value; and at the 5 level, test the above hypotheses.


brittanywood

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

b

Answer to Question 2

a. .2
b. t = -2.5
c. p-value is between .01 and .02 (two-tailed test); reject H0


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KimWrice

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Reply #2 on: Jun 24, 2018
Thank you


brittanywood

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Reply #3 on: Jun 24, 2018
No problemo


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