In a random sample of 625 people, it was found that 225 of them frequently check their work email when they are at home. find the upper confidence limit of a 95% confidence interval for p, the true proportion of people who frequently check their work email when they are at home. give your answer to four decimal places

(0.3224,0.3976)

Step-by-step explanation:

Given : Sample size : n=625

Number of people check their work email when they are at home =225

The probability of people check their work email when they are at home :

Significance level :

Critical value :

The confidence interval for population proportion is given by :-

$18 was the price of the t-shirt

step-by-step explanation:

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