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From a survey of 250 coworkers you find that 155

From a survey of 250 coworkers you find that 155 would like the company to provide on-site day care.

a) What is the value of the sample proportion p?

b) What is the standard error of the sample proportion?

c) Construct an approximate 95% confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion.

a) What is the value of the sample proportion p?

b) What is the standard error of the sample proportion?

c) Construct an approximate 95% confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion.

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