Question 13 15 20 25 30 35 40 45 50 55 X For the population whose distribution is shown above, random sample of size n = 15 are repeatedly taken. Find the following. Round parts a and b to four decimals if needed, and part c to one decimal. Answers of 0 and 1 are possible due to rounding. a. Pa 31) c. The value of a such that P(a > a) = 0.03