QUESTION 11 Use your TI83 (or Excel): A normally distributedpopulation has a mean of 77 and a standard deviation of 15.Determine the probability that a random data has a value of lessthan 74. Round to four decimal places.
QUESTION 12 Use your TI83 (or Excel): A normally distributedpopulation has a mean of 77 and a standard deviation of 12.Determine the probability that a random data has a value between 72and 80. Round to four decimal places.
QUESTION 13 Use your TI83 (or Excel): A normally distributedpopulation has a mean of 74 and a standard deviation of 18.Determine the probability that a random data has a value between 71and 82. Round to four decimal places.
QUESTION 14 Use your TI83 (or Excel): A normally distributedpopulation has a mean of 72 and a standard deviation of 20.Determine the probability that a random data has a value between 74and 81. Round to four decimal places.
QUESTION 15 Use your TI83 (or Excel): A normally distributedpopulation has a mean of 79 and a standard deviation of 14.Determine the probability that a random data has a value of lessthan 77. Round to four decimal places.