# Test 4.pdf - Name Stat 131 Test 4 Show all work Do in...

• 6

This preview shows page 1 - 3 out of 6 pages.

Name ____________________________ Stat 131 Test 4 Show all work. Do in pencil . Don’t round until your final answer. Show as many decimals as practical to clearly indicate your final answer. Circle or mark your final answer. Show all steps neatly. If I can’t follow your work, you may lose points. 1 Brendan is a 75% free throw shooter. Brendan attempts 100 independent free throws. Calculate the probability that he will make more than 70 free throws. (Use the continuity correction factor.) (10 points) 2 The age of faculty at Drake is approximately normally distributed with mean 47.7 with variance 38.2. Calculate the probability that a random sample of 10 faculty has average age between 40 and 50. (10 points)
3 The probability that citizens in a certain town will vote for Lucas for mayor is 0.49. There are 600 citizens who are planning to vote in the election. Calculate the probability that Lucas will get the majority of the 600 votes. (Use cont. corr. factor) (10 points) 4 The total claim amount for a dental surgery insurance policy follows a distribution with density