SOLUTION: If a bird's life is normally distributed with a mean of 9 months and a standard deviation of 3, what percent of the population lives less than 11 months.
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Question 758878: If a bird's life is normally distributed with a mean of 9 months and a standard deviation of 3, what percent of the population lives less than 11 months. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! If a bird's life is normally distributed with a mean of 9 months and a standard deviation of 3, what percent of the population lives less than 11 months.
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z(11) = (11-9)/3 = 2/3
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P(x < 11) = P(z < 2/3) = 0.7475
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Cheers,
Stan H.
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