Advanced Placement (AP), 02.03.2021 01:30 olson1312
A movie theater chain has lost business during a global health crisis. They are surveying a SRS of 70 customers
each month to understand what would make their customers feel safe enough to return. Suppose that in July,
87% of customers wanted to order tickets digitally, and in August, 90% of customers wanted order tickets
digitally.
They wonder whether the demand for digital tickets is changing, so they look at the difference in the sample
proportions (PA - P3)
What will be the shape of the sampling distribution of PA Ps, and why?
Answers: 1
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