Calculate the z-scores for the male systolic blood pressures 130 and 140 millimeters. (Round your answers to two decimal places.)
Added by Jostyn S.
Step 1
First, we need to find the mean and standard deviation of the male systolic blood pressures. Let's assume that we have this information and the mean is 120 mm and the standard deviation is 10 mm. Show more…
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The systolic blood pressure (given in millimeters) of males has an approximately normal distribution with mean ???? = 120 and standard deviation ???? = 16. (a) Calculate the z-scores for the male systolic blood pressures 100 and 140 millimeters. (Round your answers to two decimal places.) 100 mm z = 140 mm z = 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 100 and 140 millimeters, what would you say to him? (Enter your numerical answer to the nearest whole number.)
Evelyn C.
The systolic blood pressure (given in millimeters) of males has an approximately normal distribution with mean μ = 135 and standard deviation σ = 16. (a) Calculate the z-scores for the male systolic blood pressures 130 and 140 millimeters. (Round your answers to two decimal places.) 130 mm z = (BLANK) 140 mm z = (BLANK) (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 130 and 140 millimeters, what would you say to him? (Enter your numerical answer to the nearest whole number.) He is ---Select--- (CORRECT/INCORRECT) because 2.5 standard deviations below the mean would give him a blood pressure reading of BLANK millimeters, which is ---Select--- (IN/ABOVE/BELOW) the range of 130 to 140 millimeters.
Regina H.
Use the formula for determining blood pressure difference from normal, $P_{d}=|P-120|,$ to solve each problem. Calculate the $P_{d}$ value for a woman whose actual systolic blood pressure is $116 .$
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