A large shipping company wants every order to arrive within the delivery time they give the customer. They plan to take a random sample of orders to construct a one-sample interval to estimate what proportion of all orders arrive within their delivery window. They will use a confidence level of 95%, percent, and that the margin of error exceeds 4 percentage points. The data above suggests that about 34% of orders arrive within their delivery time. Assuming that the previous estimate for the proportion is 0.34, what is the smallest sample size necessary to obtain the desired margin of error? Select one: a. The smallest sample size necessary to obtain th

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A large shipping company wants every order to arrive within the delivery time they give the customer. They plan to take a random sample of orders to construct a one-sample interval to estimate what proportion of all orders arrive within their delivery window. They will use a confidence level of 95%, percent, and that the margin of error exceeds 4 percentage points. The data above suggests that about 34% of orders arrive within their delivery time. Assuming that the previous estimate for the proportion is 0.34, what is the smallest sample size necessary to obtain the desired margin of error? Select one:

a. The smallest sample size necessary to obtain the desired margin of error is 380 b. The smallest sample size necessary to obtain the desired margin of error is 539 ° C. The smallest sample size needed to obtain the desired one is 11

d. The smallest sample size needed to obtain the desired margin of error is the smallest required to obtain the desired margin of error.

Expert Solution
Given

ME = 0.04

p = 0.34

 

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