Question

In a study of red/green color blindness, 950 men and 2700 women are randomly selected and tested. Among the men, 90 have red/green color blindness. Among the women, 7 have red/green color blindness. Test the claim that men have a higher rate of red/green color blindness. (Note: Type ‘‘p_m" for the symbol pm , for example p_mnot=p_w for the proportions are not equal, p_m>p_w for the proportion of men with color blindness is larger, p_m

The test statistic is:

Construct the 95% confidence interval for the difference between the color blindness rates of men and women:

Answer #1

In a study of
red/green color blindness, 950 men and 2550 women are randomly
selected and tested. Among the men, 85 have red/green color
blindness. Among the women, 7 have red/green color blindness. Test
the claim that men have a higher rate of red/green color
blindness.
(Note: Type ‘‘p_m′′‘‘p_m″ for the symbol
pmpm , for example
p_mnot=p_wp_mnot=p_w
for the proportions are not equal,
p_m>p_wp_m>p_w
for the proportion of men with color blindness is larger,
p_m<p_wp_m<p_w
, for the proportion of...

In a study of red/green color blindness, 600 men and 2000 women
are randomly selected and tested. Among the men, 52 have red/green
color blindness. Among the women, 5 have red/green color blindness.
Test the claim that men have a higher rate of red/green color
blindness.
(Note: Type ‘‘p_m′′‘ for the symbol pm , for example p_m
not=p_w for the proportions are not equal,
p_m>p_w for the proportion of men with color
blindness is larger, p_m<p_w, for the
proportion of...

In a study of
red/green color blindness, 700 men and 2500 women are randomly
selected and tested. Among the men, 63 have red/green color
blindness. Among the women, 7 have red/green color blindness. Test
the claim that men have a higher rate of red/green color
blindness.
(Note: Type ‘‘p_m′′‘‘p_m″ for the symbol
pmpm , for example
p_mnot=p_wp_mnot=p_w
for the proportions are not equal,
p_m>p_wp_m>p_w
for the proportion of men with color blindness is larger,
p_m<p_wp_m<p_w
, for the proportion of...

In a study of red/green color blindness, 700 men and 2850 women
are randomly selected and tested. Among the men, 61 have red/green
color blindness. Among the women, 7 have red/green color blindness.
Test the claim that men have a higher rate of red/green color
blindness. (Note: Type ‘‘p_m″ for the symbol pm , for example
p_mnot=p_w for the proportions are not equal, p_m>p_w for the
proportion of men with color blindness is larger, p_m)
(a) State the null hypothesis:...

In a study of red/green color blindness, 900 men and 2450 women
are randomly selected and tested. Among the men, 80 have red/green
color blindness. Among the women, 7 have red/green color blindness.
Test the claim that men have a higher rate of red/green color
blindness.
(e) Construct the 90% confidence interval for the difference
between the color blindness rates of men and women.
________ < (Pm-Pw) <______

Independent simple random samples of 950 men and 2500 women are
tested. Among the men in the sample, 81 have red/green color
blindness. Among the women in the sample, 9 have red/green color
blindness.
The value of the test statistic is z= (round
to at least three decimal places).
A sample of 56 students who live on-campus has a mean GPA of
83.7 with a sample standard deviation of 7.44. A independent sample
of 42 students who live off-campus has...

Color Blindness The most common form of color blindness is
red–green color blindness. People with this type of color blindness
cannot distinguish between green and red. Approximately 8% of all
males have red–green color blindness, while only about 0.64% of
women have red–green color blindness. In 2000, 49.1% of all
Americans were male and 50.9% were female according to the U.S.
Census Bureau
. (a) What is the probability that a randomly selected American
is color blind?
b) What is...

A certain group of women has a
0.640.64%
rate of red/green color blindness. If a woman is randomly
selected, what is the probability that she does not have red/green
color blindness?
What is the probability that the woman selected does not have
red/green color blindness?
nothing
(Type an integer or a decimal. Do not round.)

In humans, red-green color -blindness is a recessive X-linked
trait. A man with red-green colorblindnes marries a normal-vision
women whose father was color-blind. As the genitic counselor,
construct a Punnett square to determine the genotypic and
phenotypic possibilities of their children.

For the color blindness data in Exercise 16.HE.A, we
wish to test a hypothesis to answer the question, “Has the instance
of color blindness increased from the historical rate of
1%?”
"16.HE.A: It is estimated that 1%
of the population suffers from red/green color blindness (Source:
USA Today). The ophthalmology department of a large university
medical center randomly tests 300 men. 11 are found to have this
type of color blindness.
(a)
Check the necessary assumptions and conditions for a...

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