According to the WHO MONICA Project the mean blood pressure for people in China is 128 mmHg with a standard deviation of 23 mmHg. Blood pressure is normally distributed. Suppose a sample of size 25 is taken. It is possible with rounding for a probability to be 0.0000. a) Identify the individual, variable, type of variable and the random variable X in the context of this problem. The individual is Select an answer The variable information collected from each individual is Select an answer This variable is a Select an answer The random variable X is as follows: Select an answer b) List the givens with the correct symbols. ? ✓ = 128 mmHg ? = 23 mmHg ? ✓ = 25 variable. c) Identify the random variable X in the context of this problem. Select an answer < d) Find the mean of the sampling distribution of the sample mean. Put the numeric value in the first box and the correct units in the second box. e) Find the standard deviation of the sampling distribution of the sample mean.
According to the WHO MONICA Project the mean blood pressure for people in China is 128 mmHg with a standard deviation of 23 mmHg. Blood pressure is normally distributed. Suppose a sample of size 25 is taken. It is possible with rounding for a probability to be 0.0000. a) Identify the individual, variable, type of variable and the random variable X in the context of this problem. The individual is Select an answer The variable information collected from each individual is Select an answer This variable is a Select an answer The random variable X is as follows: Select an answer b) List the givens with the correct symbols. ? ✓ = 128 mmHg ? = 23 mmHg ? ✓ = 25 variable. c) Identify the random variable X in the context of this problem. Select an answer < d) Find the mean of the sampling distribution of the sample mean. Put the numeric value in the first box and the correct units in the second box. e) Find the standard deviation of the sampling distribution of the sample mean.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Question
According to the WHO MONICA Project the
![According to the WHO MONICA Project the mean blood pressure for people in China is 128 mmHg with a
standard deviation of 23 mmHg. Blood pressure is normally distributed. Suppose a sample of size 25 is
taken.
It is possible with rounding for a probability to be 0.0000.
a) Identify the individual, variable, type of variable and the random variable X in the context of this
problem.
The individual is Select an answer
The variable information collected from each individual is
Select an answer
This variable is a Select an answer
The random variable X is as follows:
Select an answer
b) List the givens with the correct symbols.
? ✓ = 128 mmHg
? v
= 23 mmHg
? = 25
variable.
c) Identify the random variable X in the context of this problem.
Select an answer
d) Find the mean of the sampling distribution of the sample mean.
Put the numeric value in the first box and the correct units in the second box.
e) Find the standard deviation of the sampling distribution of the sample mean.
Put the numeric value rounded to two decimal places in the first box and the correct units in the second
box.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd57b7bd0-b370-4b8a-8394-d17f179298c2%2F30cf6716-4ad2-46e8-b610-84d99a48fa8b%2Fett8zid_processed.png&w=3840&q=75)
Transcribed Image Text:According to the WHO MONICA Project the mean blood pressure for people in China is 128 mmHg with a
standard deviation of 23 mmHg. Blood pressure is normally distributed. Suppose a sample of size 25 is
taken.
It is possible with rounding for a probability to be 0.0000.
a) Identify the individual, variable, type of variable and the random variable X in the context of this
problem.
The individual is Select an answer
The variable information collected from each individual is
Select an answer
This variable is a Select an answer
The random variable X is as follows:
Select an answer
b) List the givens with the correct symbols.
? ✓ = 128 mmHg
? v
= 23 mmHg
? = 25
variable.
c) Identify the random variable X in the context of this problem.
Select an answer
d) Find the mean of the sampling distribution of the sample mean.
Put the numeric value in the first box and the correct units in the second box.
e) Find the standard deviation of the sampling distribution of the sample mean.
Put the numeric value rounded to two decimal places in the first box and the correct units in the second
box.
![Put the numeric value rounded to two decimal places in the first box and the correct units in the second
box.
f) What is the shape of the sampling distribution of the sample mean?
Select an answer
Why? Check all that apply:
On is at least 30
n is less than 30
population is normal
o is unknown
population is not normal
o is known
g) Find the probability that the sample mean blood pressure of the 25 randomly selected people in China is
less than 136.9 mmHg.
Round final answer to 4 decimal places.
DO NOT use the rounded standard deviation from part e in this computation.
Use the EXACT value of the standard deviation with the square root.
h) Find the probability that the sample mean blood pressure of the 25 randomly selected people in China is
more than 137.32 mmHg.
Round final answer to 4 decimal places.
DO NOT use the rounded standard deviation from part e in this computation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd57b7bd0-b370-4b8a-8394-d17f179298c2%2F30cf6716-4ad2-46e8-b610-84d99a48fa8b%2Fttidg0s_processed.png&w=3840&q=75)
Transcribed Image Text:Put the numeric value rounded to two decimal places in the first box and the correct units in the second
box.
f) What is the shape of the sampling distribution of the sample mean?
Select an answer
Why? Check all that apply:
On is at least 30
n is less than 30
population is normal
o is unknown
population is not normal
o is known
g) Find the probability that the sample mean blood pressure of the 25 randomly selected people in China is
less than 136.9 mmHg.
Round final answer to 4 decimal places.
DO NOT use the rounded standard deviation from part e in this computation.
Use the EXACT value of the standard deviation with the square root.
h) Find the probability that the sample mean blood pressure of the 25 randomly selected people in China is
more than 137.32 mmHg.
Round final answer to 4 decimal places.
DO NOT use the rounded standard deviation from part e in this computation.
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