Question: A random sample of size 49 is taken from a large population, producing a sample mean of 47 & a sample standard deviation of 5.89. Construct a 99 percent confidence interval around the sample mean. Be sure to show whether you use the t- or z- value, & what value you use. Interpret the confidence interval in a single sentence. In another sentence, state why you used either the “t” or the “z”.