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QUESTION 11 Use your TI83 (or Excel): A normally distributed population has a mean of 77...

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Basic Math

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.

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USING EXCELWe can find above probabilities using    See Answer
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