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Author Question: In a binomial experiment, the _____. a. probability of success does not change from trial to trial ... (Read 268 times)

Coya19@aol.com

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on: Jun 24, 2018
In a binomial experiment, the _____.
 a. probability of success does not change from trial to trial
  b. probability of success does change from trial to trial
  c. probability of success could change from trial to trial, depending on the situation under consideration
  d. All of the answers are correct.

Question 2

A law enforcement agent believes that at least 88 of the drivers stopped for speeding on Saturday nights are under the influence of alcohol. A sample of 66 drivers who were stopped for speeding on a Saturday night was taken. Eighty percent of the drivers in the sample were under the influence of alcohol.
 a. State the null and alternative hypotheses.
  b. Compute the test statistic.
  c. Using the p-value approach, test the hypotheses at the .05 level of significance.


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bobsmith

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

a

Answer to Question 2

a. H0: p  .88
Ha: p < .88
b. z = -2
c. p-value = .0228 < .05; reject H0


Coya19@aol.com

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

adf223

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Reply 3 on: Yesterday
Excellent

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