Blood pressure: High blood pressure has been identified as a risk factor for heart attacks and strokes. The proportion of U.S. adults with high blood pressure is 0.5. A sample of 39 U.S. adults is chosen. Use the TI-84 Plus calculator. Round the answers to at least four decimal places.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

Blood pressure: High blood pressure has been identified as a risk factor for heart attacks and strokes. The proportion of U.S. adults with high blood pressure is 0.5. A sample of 39 U.S. adults is chosen. Use the TI-84 Plus calculator. Round the answers to at least four decimal places.

Part 1 of 6
(a) Is it appropriate to use the normal approximation to find the probability that more than 43% of the people in the sample have high blood pressure?
10 and n (1-p)
It is
Part 2 of 6
▼ appropriate to use the normal curve, since np = 19.5
Find the probability that more than 43% of the people in this sample have high blood pressure.
The probability that more than 43% of the people in this sample have high blood pressure is 2.6378
X
S
= 19.5
x
10.
Transcribed Image Text:Part 1 of 6 (a) Is it appropriate to use the normal approximation to find the probability that more than 43% of the people in the sample have high blood pressure? 10 and n (1-p) It is Part 2 of 6 ▼ appropriate to use the normal curve, since np = 19.5 Find the probability that more than 43% of the people in this sample have high blood pressure. The probability that more than 43% of the people in this sample have high blood pressure is 2.6378 X S = 19.5 x 10.
Part 3 of 6
(b) A new sample of 79 adults is drawn. Find the probability that more than 43% of the people in this sample have high blood pressure.
The probability that more than 43% of the people in this sample have high blood pressure is 1
Part: 3 / 6
Part 4 of 6
x
(c) Find the probability that the proportion of individuals in the sample of 79 who have high blood pressure is between 0.22 and 0.36.
The probability that the proportion of individuals in the sample of 79 who have high blood pressure is between 0.22 and 0.36 is
X
Ś
Transcribed Image Text:Part 3 of 6 (b) A new sample of 79 adults is drawn. Find the probability that more than 43% of the people in this sample have high blood pressure. The probability that more than 43% of the people in this sample have high blood pressure is 1 Part: 3 / 6 Part 4 of 6 x (c) Find the probability that the proportion of individuals in the sample of 79 who have high blood pressure is between 0.22 and 0.36. The probability that the proportion of individuals in the sample of 79 who have high blood pressure is between 0.22 and 0.36 is X Ś
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 32 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman