Practice Question

A sociologist claims the probability that a person picked at random in Times Square in New York City is visiting the area is 0.88. You want to test to see if the proportion is actually more.

  1. Identify the null hypothesis.
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  2. Identify the alternative hypothesis.
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  3. A hypothesis test is conducted at the 5% significance level. If the p-value is 0.043, what conclusion should be made?
  4. Identify the Type 1 error.