Of 136 randomly selected adults, 33 were found to have high blood pressure. Construct a 95% confidence interval for the true of all adults that have high blood pressure.

The 95% confidence interval of the proportion of all adults that have high blood pressure is 0.17059 < < 0.314695

Step-by-step explanation:

The confidence interval for a proportion is given by the following formula;

Where:

x = 33

n = 136

= x/n = 33/136 = 0.243

z value for 95% confidence is 1.96

Plugging in the values, we have;

Which gives;

0.17059 < < 0.314695

Hence the 95% confidence interval of the proportion of all adults that have high blood pressure = 0.17059 < < 0.314695

From the above we have;

23.2 < x < 42.798

Since we are dealing with people, we round down as follows;

23 < x < 42.

87%

step-by-step explanation:

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