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Chapter 7: Q.1.2. (page 437)

About 75%of young adult internet users (ages18-29)watch online video. Suppose that a sample survey contacts an SRS of 1000young adult Internet users and calculates the proportion of p⏞in this sample who watch online video.

Find the standard deviation of the sampling distribution of p⏞.check that the 10%condition is met.

Short Answer

Expert verified

The standard deviation is0.0137

Step by step solution

01

Step-1 Given Information

Given in the question that

population proportion (P)=75%=0.75

Sample size(n)=1000we have to find the standard deviation.

02

Step-2 Explanation

The standard deviation of the sampling distribution p⏞is:

localid="1650022496391" σp=p(1-p)n=0.75(1−0.75)1000=0.0137

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Most popular questions from this chapter

Bottling cola A hattling compamy uses a fillimg maichine to fill plastic botles with cola. The bottles are supposed to contain 300milliliters (ml) . In fact, the contents vary according to a Normal distribution with mean μ=298ml and standard deviation σ=3ml

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