2. Use the given information to find the minimum sample size required to estimate an
unknown population mean p.
80%
How many business students must be randomly selected to estimate the mean monthly earnings of
business students at one college? We want 95% confidence that the sample mean is within $128 of the
population mean, and the population standard deviation is known to be $536.
95
68
47
59

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato