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1. [-/5 Points] DETAILS ILLOWSKYINTROSTAT1 6.1.064.HW. MY NOTES ASK YOUR TEACH The systolic blood pressure (given in millimeters) of males has an approximately normal distribution
1. [-/5 Points] DETAILS ILLOWSKYINTROSTAT1 6.1.064.HW. MY NOTES ASK YOUR TEACH The systolic blood pressure (given in millimeters) of males has an approximately normal distribution with mean # = 120 and standard deviation o = 12. (a) Calculate the z-scores for the male systolic blood pressures 95 and 145 millimeters. (Round your answers to two decimal places.) 95 mm 2 = 145 mm 2 = (b) If a male friend of yours said he thought his systolic blood pressure was 2.5 standard deviations below the mean, but that he believed his blood pressure was between 95 and 145 millimeters, wha would you say to him? (Enter your numerical answer to the nearest whole number.) He is -Select- because 2.5 standard deviations below the mean would give him a blood pressure reading of millimeters, which is -Select- v the range of 95 to 145 millimeters. Show My Work (Optional) 2. [5/9 Points] DETAILS PREVIOUS ANSWERS ILLOWSKYINTROSTAT1 6.2.078.HW. MY NOTES ASK YOUR TEACH In a certain presidential election, Alaska's 40 election districts averaged 1,951.8 votes per district for a candidate. The standard deviation was 572.2. (There are only 40 election districts in Alaska.) The distributi the votes per district for one candidate was bell-shaped. Let X = number of votes for this candidate for an election district. Part (a) Part (b) D Part (c) Part (d) D Part (e) Show My Work (Optional) 7
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