Question 13 11 pts You want to estimate the mean cost of a new cell phone. a. Find a 95% confidence interval for the average price of a cell phone after you find a sample of 18 phones that have a mean price of $1050 with a standard deviation of $125. Write an appropriate conclusion sentence. b. Based on your previous answer, would it be reasonable to tell people to expect to pay at least $1000 for a new cell phone? Briefly explain. Edit View Insert Format Tools Table 12pt Paragraph B I U A Q V T Z V Q V B V BAV DV Got H 8 0 words 15 pts