Based on data from the National Health Survey, women between the ages of 1818 and 2424 have an average systolic blood pressures (in mm Hg) of 112.9112.9 with a standard deviation of 13.3413.34. Systolic blood pressure for women between the ages of 1818 to 2424 follow a normal distribution. (a) If one woman from this population is randomly selected, find the probability that her systolic blood pressure is greater than 118118. Round your answer to four decimal places. P(x>118)=Px>118= (b) If 7070 women from this population are randomly selected, find the probability that their mean systolic blood pressure is greater than 118118. Round your answer to four decimal places. P(xˉ>118)=Px‾>118= (c) If the sample were four women between the ages of 1818 to 2424 and we did not know the original distribution, could the central limit theorem be used? Yes No
Based on data from the National Health Survey, women between the ages of 1818 and 2424 have an average systolic blood pressures (in mm Hg) of 112.9112.9 with a standard deviation of 13.3413.34. Systolic blood pressure for women between the ages of 1818 to 2424 follow a
(a) If one woman from this population is randomly selected, find the
Round your answer to four decimal places.
P(x>118)=Px>118=
(b) If 7070 women from this population are randomly selected, find the probability that their mean systolic blood pressure is greater than 118118.
Round your answer to four decimal places.
P(xˉ>118)=Px‾>118=
(c) If the sample were four women between the ages of 1818 to 2424 and we did not know the original distribution, could the central limit theorem be used?
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Yes |
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No |
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