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According to recent​ study, 145 of 482 CEOs in a certain country are extremely concerned about...

According to recent​ study, 145 of 482 CEOs in a certain country are extremely concerned about Cyber​ threats, and 80 are extremely concerned about lack of trust in business. Complete parts​ (a) through​ (c) below.

a. Construct a 95% confidence interval estimate for the population proportion of CEOs in the country who are extremely concerned about cyber threats. (round to four decimal places)

b. Construct a 95% confidence interval estimate for the population proportion of CEOs in the country who are extremely concerned about lack of trust in business. (round to four decimal places)

c. Interpret the intervals in (a) and (b).  

Math   Statistics-And-Probability   
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