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Assume that weights of adult females are normally distributed with a mean of 78 kg and...

Assume that weights of adult females are normally distributed with a mean of 78 kg and a standard deviation of 21 kg. What percentage of individual adult females have weights less than 83 ​kg? If samples of 49 adult females are randomly selected and the mean weight is computed for each​ sample, what percentage of the sample means are less than 83 ​kg?

The percentage of individual adult females with weights less than 83 kg is ___%. ​

The percentage of samples of 36 adult females with mean weights less than 83 kg is ____%.

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