According to recent study, 140 of 454 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)...

According to recent study,

140

454

CEOs in a certain country are extremely concerned about Cyber threats, and

are extremely concerned about lack of trust in business. Complete parts (a) through (c) below.

a. Construct a

90%

confidence interval estimate for the population proportion of CEOs in the country who are extremely concerned about cyber threats.

nothing≤π≤nothing

(Round to four decimal places as needed.)

Jun 07, 2022

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