Question
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According to the National Eye Institute, 8% of men are red-green colorblind. A sample of 125...
According to the National Eye Institute, 8% of men are red-green colorblind. A sample of 125 men is gathered from a particular subpopulation, and 13 men in this sample are colorblind.(Without using z-value)
a. Is this statistically significant evidence that the proportion of red-green colorblind men is greater than the subpopulation than the national average with alpha = 0.05?
b. What is the maximum number of men that could have been colorblind in this sample that would lead you to fail to reject the null hypothesis?
c. Using 8% as the probability of being colorblind, find a 95% confidence interval for the number of men in a sample of 125 who are colorblind.
Solutions
milcah answered 1 year agoRelated Solutions
According to the National Eye Institute, 8% of men are red-green colorblind. A sample of 125...
According to the National Eye Institute, 8% of men are red-green
colorblind. A sample of 125 men is gathered from a particular
subpopulation, and 13 men in this sample are colorblind.
a. Is this statistically significant evidence that the
proportion of red-green colorblind men is greater than the
subpopulation than the national average with alpha = 0.05?
b. What is the maximum number of men that could have been
colorblind in this sample that would lead you to fail to...
8% of men are red-green colorblind. A sample of 125 men is gathered from a particular...
8% of men are red-green colorblind. A sample of 125 men is
gathered from a particular subpopulation, and 13 men in this sample
are colorblind.
a. Is this statistically significant evidence that the
proportion of red-green colorblind men is greater than the
subpopulation than the national average with alpha = 0.05?
b. What is the maximum number of men that could have been
colorblind in this sample that would lead you to fail to reject the
null hypothesis?
c. Using...
Matthew is red-green colorblind, meaning that he has a difficult time distinguishing between red and green...
Matthew is red-green colorblind, meaning that he has a difficult
time distinguishing between red and green hues. Matthew reads
online that approximately 8% of men have this type of
colorblindness. He conducts a random survey of 197 men, and finds
that only 12 of them are red-green colorblind. At the 1%
significance level, conduct and interpret a hypothesis test to
determine if the proportion of men with red-green colorblindness is
less than 8%.
Approximately 8% of males experience red-green color blindness. Suppose a random sample of 200 men is...
Approximately 8% of males experience red-green color blindness.
Suppose a random sample of 200 men is chosen. a. Assuming the
necessary conditions are satisfied, give the mean and standard
deviation of the Normal model that would be used to approximate the
sampling distribution of the sample proportion of red-green color
blindness. b. Sketch and clearly label the sampling distribution,
based on the 68-95-99.7 Rule. c. Suppose the 200 person sample had
a sample proportion of 10%. What is the probability...
According to the National Institute on Alcohol Abuse and Alcoholism and the National Institute of Health,...
According to the National Institute on Alcohol Abuse and
Alcoholism and the National Institute of Health, 41% of college
students nation-wide engage in “binge drinking” behavior, that is
having 5 or more drinks in one occasion during the past two weeks.
A college president wonders if the proportion of students enrolled
at her college who binge drink is different than the national
proportion.
In a commissioned study of her
college only, 348 students are randomly selected from a
list of...
According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), and the National Institutes of...
According to the National Institute on Alcohol Abuse and
Alcoholism (NIAAA), and the National Institutes of Health (NIH),
41% of college students nationwide engage in “binge drinking”
behavior, having 5 or more drinks in one occasion during the past
two weeks. A college president wonders if the
proportion of students enrolled at her college that binge
drink is actually different than the national proportion.
In a commissioned study, 348 students are selected
randomly from a list of all students enrolled...
77) According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA) and the National Institutes...
77) According to the National Institute on Alcohol Abuse and
Alcoholism (NIAAA) and the National Institutes of Health (NIH), 41%
of college students nationwide engage in "binge-drinking" behavior:
having five or more drinks on one occasion during the past two
weeks. A college president wonders if the proportion of students
enrolled at her college who binge drink is actually lower than the
national proportion. In a commissioned study, 347 students are
selected randomly from a list of all students enrolled...
A) According to the National Institute of Health, 34% of adults in the United States are...
A) According to the National Institute of Health, 34% of adults
in the United States are overweight. Suppose we sample 20 adults.
Let X denote the number of overweight people among them.
What is the probability that more than 6 of the adults will be
overweight? Round to four decimal places.
B) According to the National Institute of Health, 34% of adults
in the United States are overweight. Suppose we sample 20 adults.
Let X denote the number of overweight...
According to the National Health Statistics Reports, a sample of 33 men aged 20–29 years had...
According to the National Health Statistics Reports, a sample of
33 men aged 20–29 years had a mean waist size of 36.9 inches with a
sample standard deviation of 8.8 inches. What is the 95% confidence
interval for the mean waist size?
In a study of perception, 146 men are tested and 27 are found to have red/green...
In a study of perception, 146 men are tested and 27 are found
to have red/green color blindness.
(a)
Find a 90% confidence interval for the true proportion of men
from the sampled population that have this type of color blindness.
confidence interval enter your answer in the form a,b (numbers
correct to 3 decimals)
(b)
Using the results from the above mentioned survey, how many men
should be sampled to estimate the true proportion of men with this
type...
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