part 2 question 7 The mean systolic blood pressure is 120 and the standard deviation is 8. The distribution of systolic blood pressure is normal. What percent of the population have systolic blood pressure above 140? In a sample of 500 people, how many are expected to have a systolic blood

part 2 question 7 The mean systolic blood pressure is 120 and the standard deviation is 8. The distribution of systolic blood pressure is normal. What percent of the population have systolic blood pressure above 140? In a sample of 500 people, how many are expected to have a systolic blood

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 26PFA

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Question

part 2 question 7

The mean systolic blood pressure is 120 and the standard deviation is 8. The distribution of systolic blood pressure is normal.
- What percent of the population have systolic blood pressure above 140?
- In a sample of 500 people, how many are expected to have a systolic blood pressure above 140?
- For a medical study, a researcher wishes to select people in the middle 60% of the population based on blood pressure. find the upper and lower readings that would qualify people to participate in the study.

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