A business manager developed a 90% confidence interval (based on a random sample) to estimate the average number of scam/phishing emails that are received by employees each day; the result was an interval of 2

A business manager developed a 90% confidence interval (based on a random sample) to estimate the average number of scam/phishing emails that are received by employees each day; the result was an interval of 2.21 to 3.45. Which of the following statements most accurately describes the meaning of this confidence interval? 

a. 90% of all employees will have an average number of scam/phishing emails between 2.21 to 3.45 

b. The true average number of scam/phishing emails over all days and employees is 90% likely to be between 2.21 to 3.45 c. The true average number of scam/phishing emails over all days and employees for any random sample is 90% likely to be between 2.21 to 3.45 

d. 90% of days will have an average number of scam/phishing emails between 2.21 to 3.45