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Back to 9.1 Null and Alternative Hypotheses

9.1 Exercise 9

Avg difficulty 2.5

A sociologist claims the probability that a person picked at random in Times Square in New York City is visiting the area is 0.83. You want to test to see if the proportion is actually less. What is the random variable? Describe in words.

OpenStax Statistics, 9.1 Null and Alternative Hypotheses, exercise 9

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