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tcardwe3

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For women aged 18-24, the systolic blood pressure (in hg mm) are normally distributed with a mean of 114.8 and a standard deviation of 13.1

100 women between 18 and 24 are randomly selected, let t represent the systolic pressure of 100 women

-Find the mean and standard deviation of t

a) 114.8, 131

b) 114.8, 13.1

c) 114.8, 1.31

d) 11.48, 1.31

d) 11.48, 1.31

-What is the probability that the mean systolic blood pressure t is between 112.2 and 116.4

a) .8649

b) .3879

c) .1578

d) .571

e) .0324