Answer: 2727
Explanation:
The number of of subject who used at least one prescription medicine out of 3116 subjects is given by X as:
X = n*p = 3116*0.875 = 2726.5 =2727
In a survey of 3116 adults aged 57 through 85 years, it was found that 87.5%...
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constuct a 90% confidence interval estimate of the percentage of
adults aged 57 through 85 years who use at least one perception
medication. round to one decimal place
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