Mathematics, 16.06.2021 20:10 24lfoster
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The lengths of pregnancies in a small rural village are normally distributed with a mean of 264 days and a standard deviation of 16 days. A distribution of values is normal with a mean of 264 and a standard deviation of 16.
What percentage of pregnancies last beyond 299 days?
P(X > 299 days) = %?
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Mathematics, 21.06.2019 16:30
Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?
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Mathematics, 21.06.2019 19:30
Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
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