A random sample of 83 residents of a certain town were asked whether they approve of a proposal to improve the town's aging bridges. The 95 percent confidence interval to estimate the proportion of all residents of the town who approve of the proposal was calculated to be (0.361,0.579).

Question

Mathematics

Houston West

20 August, 14:21

A random sample of 83 residents of a certain town were asked whether they approve of a proposal to improve the town's aging bridges. The 95 percent confidence interval to estimate the proportion of all residents of the town who approve of the proposal was calculated to be (0.361,0.579).

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Sasha Drake · Answer 1

The correct answer to the following question will be "A one-sample z test for a population proportion".

Step-by-step explanation:

An illustration of a single sample or test Z check for population ratio or percentage is above provided experiment. We should approximate the current value of the population ratio duration where the approximately the estimated population resides. In this case, just one variable is checked so we'll have to use single sample Z.

So that the above is the right answer.