Test: Test 2 190124 (18 complete) This Test: 41 pts possible This Question: 3 pt
ID: 3059364 • Letter: T
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Test: Test 2 190124 (18 complete) This Test: 41 pts possible This Question: 3 pts The capacity of an elevator is 8 people or 1256 pounds. The capacity wil be e Suppose the people have weights that are nomally distibuted with a mean of 167 ib and a standard deviation of 25 Ib a. Find the probability that if a person is randomly selected, his weight will be greater than 157 pounds to 9- 157 punds is approximately (Round to four decimal places as needed) b. Find the probabilty that 8 randomly selected people wll have a mean that is greater than 157 pounds The probability is approximately (Round to four decimal places as needed ) c. Does the elevator appear to have the correct weight limit? Why or why not o A. Yes, there is a good chance that 8 randomly selected people will not exceed the elevator capacity B. No. 8 tandonly selected people will never be under the weight limit ° C. Yes, 8 randomly selected people will always be under the weight lmit O D. No. there is a good chance that 8 randomly selected people will exceed the elevator capacity.Explanation / Answer
Test: Test 2 190124 (18 complete) This Test: 41 pts possible This Question: 3 pts The capacity of an elevator is 8 people or 1256 pounds. The capacity wil be e Suppose the people have weights that are nomally distibuted with a mean of 167 ib and a standard deviation of 25 Ib a. Find the probability that if a person is randomly selected, his weight will be greater than 157 pounds to 9- 157 punds is approximately (Round to four decimal places as needed) b. Find the probabilty that 8 randomly selected people wll have a mean that is greater than 157 pounds The probability is approximately (Round to four decimal places as needed ) c. Does the elevator appear to have the correct weight limit? Why or why not o A. Yes, there is a good chance that 8 randomly selected people will not exceed the elevator capacity B. No. 8 tandonly selected people will never be under the weight limit ° C. Yes, 8 randomly selected people will always be under the weight lmit O D. No. there is a good chance that 8 randomly selected people will exceed the elevator capacity.
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