Astudy of six hundred adults found that the number of hours they spend on social networking sites each week is normally distributed with a mean of 17 hours. the population standard deviation is 6 hours. what is the margin of error for a 95% confidence interval?

The margin of error for a 95% confidence interval is 0.48.

Step-by-step explanation:

Since we have given that

N = 600

Mean = 17 hours

Standard deviation = 6 hours

We need to find the margin of error for a 95% confidence interval.

Margin of error is given by

Here, n = 600,

In 95% confidence interval z = 1.96

So, Margin of error would be

Hence, the margin of error for a 95% confidence interval is 0.48.

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