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Author Question: If you are conducting an experiment where the probability of a success is .02 and you are interested ... (Read 94 times)

tichca

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on: Jun 24, 2018
If you are conducting an experiment where the probability of a success is .02 and you are interested in the probability of two successes in 15 trials, the correct probability function to use is the _____.
 a. standard normal probability density function
  b. normal probability density function
  c. Poisson probability function
  d. binomial probability function

Question 2

Consider the following hypothesis test: H0:  40 Ha:  < 40 A sample of 49 provides a sample mean of 38 and a sample standard deviation of 7.
 a. Determine the standard error of the mean.
  b. Compute the value of the test statistic.
  c. Determine the p-value; and at a 5 level of significance, test the above hypotheses.


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cclemon1

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

d

Answer to Question 2

a. 1
b. t = -2
c. p-value is between .025 and .05; reject H0


tichca

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

Joy Chen

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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