STAT 200 MCQs

Jul 2nd, 2016
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Question 1.If the result of a hypothesis test for a proportion is statistically significant, then A) the population proportion must equal the null value. B) the null hypothesis is rejected. C) the alternative hypothesis is rejected. 2.Suppose a 95% confidence interval for p, the proportion of drivers who admit that they sometimes run red lights when no one is around, is 0.29 to 0.38. Which of the following statements is false? A) It is plausible that a majority of all drivers would admit that they sometimes run red lights when no one is around. B) A test of Ho:  = 0.3 versus Ha: ≠ 0.3 would not be rejected using a = 0.05. C) A test of Ho:  = 0.5 versus Ha: ≠ 0.5 would be rejected using a = 0.05. D) It is plausible that about 37% of all drivers would admit that they sometimes run red lights when no one is around. 3.Which of the following is not a correct way to state a null hypothesis? A) Ho: B) Ho: µ = 0.5 C) Ho: µ = 0 D) Ho: µd = 10 4.It is known that for right-hand

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