A large shipping company wants each order to arrive within the delivery window they give to the customer. They plan on taking a random sample of orders to construct a one-sample z interval to estimate what proportion of all orders arrive within their delivery window. They'll use a confidence level of 95%, and they don't want the margin of error to exceed 2 percentage points. Previous data suggests that about 90% of orders arrive within their delivery window. If we assume p = 0.90, what is the smallest sample size required to obtain the desired margin of error? %3D Choose 1 answer: A. 366 588 865 1116

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A large shipping company wants each order to arrive within the delivery window they give to the customer. They
plan on taking a random sample of orders to construct a one-sample z interval to estimate what proportion of all
orders arrive within their delivery window. They'll use a confidence level of 95%, and they don't want the margin
of error to exceed 2 percentage points. Previous data suggests that about 90% of orders arrive within their
delivery window.
If we assume p= 0.90, what is the smallest sample size required to obtain the desired margin of error?
Choose 1 answer:
A
366
588
865
D.
1116
Transcribed Image Text:A large shipping company wants each order to arrive within the delivery window they give to the customer. They plan on taking a random sample of orders to construct a one-sample z interval to estimate what proportion of all orders arrive within their delivery window. They'll use a confidence level of 95%, and they don't want the margin of error to exceed 2 percentage points. Previous data suggests that about 90% of orders arrive within their delivery window. If we assume p= 0.90, what is the smallest sample size required to obtain the desired margin of error? Choose 1 answer: A 366 588 865 D. 1116
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