Adult male whistle pigs have weights that are normally distributed with a mean of 3.83 kg and a standard deviation of 0.8 kg. Adult female whistle pigs have weights that are normally distributed with a mean of 3.53 kg and a standard deviation of 1 kg. If we take a random sample of 20 male and 16 female whistle pigs, what is the probability that the sample mean of the males is 0.5 less than the sample mean of the females? O 0.8413 0.7422 0.1587 0.2578 O None of these

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Adult male whistle pigs have weights that are normally distributed with a mean of 3.83 kg and a standard deviation
of 0.8 kg. Adult female whistle pigs have weights that are normally distributed with a mean of 3.53 kg and a
standard deviation of 1 kg. If we take a random sample of 20 male and 16 female whistle pigs, what is the
probability that the sample mean of the males is 0.5 less than the sample mean of the females?
O 0.8413
O 0.7422
O 0.1587
O 0.2578
O None of these
0.9987
0.0013
If was found that a 98% confidence interval for the mean number of months spent in prison for being convicted of a
certain crime is from 18.82 months to 38.64 months. What is the point estimate for the population mean u. Give
your answer to two decimal places.
Transcribed Image Text:Adult male whistle pigs have weights that are normally distributed with a mean of 3.83 kg and a standard deviation of 0.8 kg. Adult female whistle pigs have weights that are normally distributed with a mean of 3.53 kg and a standard deviation of 1 kg. If we take a random sample of 20 male and 16 female whistle pigs, what is the probability that the sample mean of the males is 0.5 less than the sample mean of the females? O 0.8413 O 0.7422 O 0.1587 O 0.2578 O None of these 0.9987 0.0013 If was found that a 98% confidence interval for the mean number of months spent in prison for being convicted of a certain crime is from 18.82 months to 38.64 months. What is the point estimate for the population mean u. Give your answer to two decimal places.
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