Me answer the questions in the photo! *** must show step by step guide to how you got your answers you got your answer***

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

For the equations below which statement is true ?

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true