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The mean of a normal probability distribution is 360; the standard deviation is 50. Refer to the table in gpendix EH. [Round the nal answers
The mean of a normal probability distribution is 360; the standard deviation is 50. Refer to the table in gpendix EH. [Round the nal answers to 2 decimal places.) a. About what percentage of the observations lie between 310 and 410? Percentage of observations 96 b. About what percentage of the observations lie between 260 and 460? Percentage of observations 5'6 1:. About what percentage of the observations lie between 210 and 510? Percentage of observations '36
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