11:38 Sat, Mar 5 E My . 57% Week 1 Remaining Time: 3 hours, 52 minutes, 00 seconds. X Week 2 * Question Completion Status: Week 3 Question 9 Week 4 5 points Save Answer MyStatLab Assume that we want to construct a confidence interval. Do one of the following, as appropriate: Find the critical value ta/2 8 Discussion Find the critical value za/2 State that neither the normal distribution nor the t distribution applies. My Grades The confidence level is 95%, o is not known, and the histogram of 58 player salaries (in thousands of dollars) of football players on a team is as shown. Tools Help 28 30- Tutor.com Kaltura Live! Frequency 20- Course Messages X 10- 4000 8000 12000 16000 20000 Salary (thousands of dollars) O A. Za/2 = 1.67 B. Neither the normal distribution nor the t distribution applies. O C. ta/2 = 2.66 O D. ta/2 = 2.00 Priva Ter O A Moving to another question will save this response. > Week 3 28 Question 10 Week 4 5 points Save Answer MyStatLab In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table Discussion Purchased Gum Kept the Money X Students Given Four Quarters 32 19 Students Given a $1 Bill 18 My Grades 29 Tools Find the probability of randomly selecting a student who spent the money, given that the student was given four quarters. Help A. 0.627 O B. 0.326 Tutor.com O C. 0.640 Kaltura Live! O D. 0.383 Course Messages Priv Ter A Moving to another question will save this response nilaction in of in is O <