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1 September, 07:23

Independent random samples of observations each are drawn from normal populations. the parameters of these populations are: population 1: and population 2: and find the probability that the mean of sample 1 is greater than the mean of sample 2 by more than 19.

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  1. 1 September, 07:36
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    What would you expect to see in terms of the behavior of a sample proportion of females (p-hat) ifrandom samples of size 100 were taken from the population of all part-time college students? As we saw ... Therefore we can conclude that p-hat is approximately a normal distribution with mean p = 0.6 and standard deviation.
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