An Organization and Methods technician wants to estimate the percentage of use of the company's copy machine. Out of 400 observations, she obtained: The equipment is in use 325 times The equipment is not in use 75 times

Calculate the lower bound for a confidence interval that has a 90 out of 100 chance of containing the true value of the percentage of use. - 0,7804 - 0,7671 - 0,7875 - 0,7743 - 0,7622