Mathematics, 31.10.2019 07:31, jwjohnson20
The systolic blood pressure of adults in the usa is nearly normally distributed with a mean of 122 and standard deviation of 16 . someone qualifies as having stage 2 high blood pressure if their systolic blood pressure is 160 or higher. a. around what percentage of adults in the usa have stage 2 high blood pressure? give your answer rounded to two decimal places. b. if you sampled 2000 people, how many would you expect to have bp> 160? give your answer to the nearest person. explain how to find this in the calculator step by step. note: i had a bit of an issue encoding rounded answers, so try rounding both up and down if there's an issue! c. stage 1 high bp is specified as systolic bp between 140 and 160. what percentage of adults in the us qualify for stage 1? d. your doctor tells you that you are in the 30th percentile for blood pressure among us adults. what is your systolic bp? round to 2 decimal places.
Answers: 3
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 21:30, ashleyprescot05
Find the missing dimension! need asap! tiny square is a =3025 in ²
Answers: 1
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