Please Answer A attached and :What is the value of XWhat is the significance level for the confidence intervalwell either the formula level or technology can be used to determine the 95% confidence level rounding to one decimal

Assume that population mean is to be estimated from the sample described. Use the sample results to approximate the margin of error and 95% confidence interval. V Sample size, n = 64; sample mean, x = 77.0 cm; sample standard deviation, s = 4.0 cm The margin of error is cm. (Round to one decimal place as needed.)