Question
In: Statistics and Probability
9 For women aged 18-24, systolic blood pressures (in mm Hg) are normally distributed with a...
9 For women aged 18-24, systolic blood pressures (in mm Hg) are normally distributed with a mean of 114.8 and a standard deviation of 13.1 (based on data from the National Health Survey). If 10 women in that age bracket are randomly selected, find the probability that their mean systolic blood pressure is between 110 and 120.
Select one: a. 77.20% b. 86.00% c. 94.29% d. 81.33% e. None of other answers is neccessary true.
11 In a study of the length of time that students require to earn bachelor's degrees, 200 students are randomly selected and they are found to have a mean of 5.1 years and a standard deviation of 2.6 years. Construct a 99% confidence interval estimate of the population mean.
Select one:
a. (4.63, 5.57)
b. (4.74, 5.46)
c. (4.89, 5.31)
d. (4.91, 5.29)
e. None of other answer is necessary true.
Solutions
orchestra answered 2 years agoRelated Solutions
For women aged 18-24, systolic blood pressure (in mm Hg) are normally distributed with a mean...
For women aged 18-24, systolic blood pressure (in mm Hg) are
normally distributed with a mean of 114.8 and a standard deviation
of 13.1.
a. What is the probability that a randomly selected woman in
that age bracket has a blood pressure greater than 140? Round your
answer to 4 decimal places. b. If 4 woman in that age bracket are
randomly selected, what is the probability that their mean systolic
blood pressure is greater than 140? Round to 7...
1. For women aged 18-24, systolic blood pressures are normally distributed with a mean of...
1. For women aged 18-24, systolic blood pressures are normally
distributed with a mean of 114.8 mm Hg and a standard deviation of
13.1 mm Hg (based on data from the National Health Survey).
Hypertension is commonly defined as a systolic blood pressure above
140 mm Hg.
If a woman between the ages of 18 and 24 is randomly selected,
find the probability that her systolic blood pressure is greater
than 140.
If 4 women in that age bracket...
For a woman age 18 to 24, systolic blood pressure’s (in mm of Hg) are normally...
For a woman age 18 to 24, systolic blood pressure’s (in mm of
Hg) are normally distributed with a mean of 114.8 and a standard
deviation of 13.1 (based on the data from the national health
survey).
A. If a woman between the ages of 18 and 24 is randomly
selected, find the probability that her systolic blood pressure is
above 120.
B. If 30 women in that age bracket are randomly selected, find
the probability that the main systolic...
The systolic blood pressures of the patients at a hospital are normally distributed with a mean...
The systolic blood pressures of the patients at a hospital are
normally distributed with a mean of 136 mm Hg and a standard
deviation of 13.8 mm Hg. Find the two blood pressures having these
properties: the mean is midway between them and 90% of all blood
pressures are between them.
Need step by step on how to get answer
1. Blood Pressures. Among human females, systolic blood pressure (measured in mmHg) is normally distributed, with...
1. Blood Pressures. Among human females,
systolic blood pressure (measured in mmHg) is normally distributed,
with a mean of and a standard deviation of 06.3, μ = 1 .9. σ = 8 a.
Connie’s blood pressure is 117.4 mmHg. Calculate the z-score for
her blood pressure.
b. Mark Connie’s x-value and z-score (as well
as the mean) in the correct locations on the graph. c. Interpret
the meaning of Connie’s z-score value. 2. Finding raw values from
z-scores. California condors...
Assume that systolic blood pressure for adult women is normally distributed with a mean of 125.17...
Assume that systolic blood pressure for adult women is normally
distributed with a mean of 125.17 with a variance of 107.0. An
individual woman is selected from the population. Find the
following probabilities.
What is the probability that her systolic blood pressure is
less than 125.17
What is the probability that her systolic blood pressure is
between 112 and 140?
What is the probability that her systolic blood pressure will
be greater than 140?
please use R and show me...
The serum cholesterol levels in men aged 18 – 24 are normally distributed with a mean...
The serum cholesterol levels in men aged 18 – 24 are normally
distributed with a mean of 178.1 and a standard deviation of 40.7.
Units are in mg/100mL. Use R. Paste your commands and output into
the answer box.
a) If a man aged 18 – 24 is randomly selected, find the
probability that his serum cholesterol level is between 170 and
200.
b) If a sample of 10 men aged 18 – 24 is randomly selected, find
the probability...
hw 9 # 15 Listed below are systolic blood pressure measurements (mm Hg) taken from the...
hw 9 # 15
Listed below are systolic blood pressure measurements (mm Hg)
taken from the right and left arms of the same woman. Assume that
the paired sample data is a simple random sample and that the
differences have a distribution that is approximately normal. Use a
0.05 significance level to test for a difference between the
measurements from the two arms. What can be concluded?
Right arm
143
137
121
138
131
Left arm
171
174
191
149...
hw 9 # 15 Listed below are systolic blood pressure measurements (mm Hg) taken from the...
hw 9 # 15
Listed below are systolic blood pressure measurements (mm Hg)
taken from the right and left arms of the same woman. Assume that
the paired sample data is a simple random sample and that the
differences have a distribution that is approximately normal. Use a
0.05 significance level to test for a difference between the
measurements from the two arms. What can be concluded?
Right arm
143
137
121
138
131
Left arm
171
174
191
149...
Suppose systolic blood pressure of 18-year-old females is approximately normally distributed with a mean of 123...
Suppose systolic blood pressure of 18-year-old females is
approximately normally distributed with a mean of 123 mmHg and a
variance of 615.04 mmHg. If a random sample of 18 girls were
selected from the population, find the following
probabilities:
a) The mean systolic blood pressure will be below
109 mmHg.
probability =
b) The mean systolic blood pressure will be above
124 mmHg.
probability =
c) The mean systolic blood pressure will be
between 106 and 125 mmHg.
probability =...
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