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 $135 of the population mean, and the population standard deviation is known to be $538.

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?