SOLUTION: The number of months a group of teens have been studying French is normal distributed with a mean of 16 months and a standard deviation of 3 months.
Approximately what percentage
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-> SOLUTION: The number of months a group of teens have been studying French is normal distributed with a mean of 16 months and a standard deviation of 3 months.
Approximately what percentage
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Question 939462: The number of months a group of teens have been studying French is normal distributed with a mean of 16 months and a standard deviation of 3 months.
Approximately what percentage (rounded to the nearest whole) of the teens have been taking French for between 10 to 19 months? Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! mean of 16 months and a standard deviation of 3 months.
P(10 < x < 19) = P(-6/3 < z < 3/3) = normalcdf(-2,1)