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 0.3. A sample of 42 u.s. adults is chosen. Use the TI-84 Plus Calculator as needed. Round the answer to at least four decimal places. Part 1 of 6 Is it appropriate to use the normal approximation to find the probability that more than 51% of the people in the sample have high blood pressure? appropriate to use the normal curve, since Ap=[12.6 and 1(1-P) = 29.42 Part 2 of 6 Find the probability that more than 51% of the people in this sample have high blood pressure. The probability that more than 51% of the people in this sample have high blood pressure is 0.0015 Part 3 of 6 10. A new sample of $1 adults is drawn. Find the probability that more than 42% of the people in this sample have high blood pressure. The probability that more than 42% of the people in this sample have high blood pressure is 0.0092 Part 4 of 6 Find the probability that the proportion of individuals in the sample of $1 who have high blood pressure is between 0.23 and 0.38. The probability that the proportion of individuals in the sample of $1 who have high blood pressure is between 0.23 and 0.38

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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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
0.3. A sample of 42 U.S. adults is chosen. Use the TI-84 Plus Calculator as needed. Round the answer to at least four decimal places.
Part 1 of 6
Is it appropriate to use the normal approximation to find the probability that more than 51% of the people in the sample have high blood pressure?
▼appropriate to use the normal curve, since xp = 12.6 >
po
It is
and (1-P) = 29.4
Part 2 of 6
Find the probability that more than 51% of the people in this sample have high blood pressure.
The probability that more than 51% of the people in this sample have high blood pressure is 0.0015
Part 3 of 6
10.
A new sample of 81 adults is drawn. Find the probability that more than 42% of the people in this sample have high blood pressure.
The probability that more than 42% of the people in this sample have high blood pressure is 0.0092
Part: 3 / 6
Part 4 of 6
Find the probability that the proportion of Individuals in the sample of 81 who have high blood pressure is between 0.23 and 0.38.
The probability that the proportion of individuals in the sample of 81 who have high blood pressure is between 0.23 and
0.38
X
>
199
Transcribed Image Text: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 0.3. A sample of 42 U.S. adults is chosen. Use the TI-84 Plus Calculator as needed. Round the answer to at least four decimal places. Part 1 of 6 Is it appropriate to use the normal approximation to find the probability that more than 51% of the people in the sample have high blood pressure? ▼appropriate to use the normal curve, since xp = 12.6 > po It is and (1-P) = 29.4 Part 2 of 6 Find the probability that more than 51% of the people in this sample have high blood pressure. The probability that more than 51% of the people in this sample have high blood pressure is 0.0015 Part 3 of 6 10. A new sample of 81 adults is drawn. Find the probability that more than 42% of the people in this sample have high blood pressure. The probability that more than 42% of the people in this sample have high blood pressure is 0.0092 Part: 3 / 6 Part 4 of 6 Find the probability that the proportion of Individuals in the sample of 81 who have high blood pressure is between 0.23 and 0.38. The probability that the proportion of individuals in the sample of 81 who have high blood pressure is between 0.23 and 0.38 X > 199
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