Question
In: Statistics and Probability
The last political survey that was carried out in the United States indicates that, of the...
The last political survey that was carried out in the United States indicates that, of the two randomly chosen citizens, the probability that they are liberal is .30, the probability that they are conservative are .55, and the probability that they are neither, is 0.15. The group of 10 Americans are chosen at random.
What is the probability that four are liberal?
What is the probability that neither is conservative?
What is the probability that two are neither?
What is the probability that at least eight are liberals?
Solutions
orchestra answered 2 years agoRelated Solutions
The last political survey that was carried out in the United States indicates that, of the...
The last political survey that was carried out in the United
States indicates that, of the two randomly chosen citizens, the
probability that they are liberal is .30, the probability that they
are conservative are .55, and the probability that they are
neither, is 0.15. The group of 10 Americans are chosen at
random.
What is the probability that four are liberal?
What is the probability that neither is conservative?
What is the probability that two are neither?
What is...
The latest political survey in the United States indicates that, of randomly chosen citizens, the probability...
The latest political survey in the United States indicates that,
of randomly chosen citizens, the probability that they are liberal
is 0.22, the probability that they are conservative is 0.55, and
the probability that they are neither one nor another is 0.24.
Assuming these probabilities are accurate, answer the following
questions regarding the group of 10 randomly chosen Americans. (16
point)
What is the probability that four are liberal?
What is the probability that neither is conservative?
What is the...
1.a. In a survey carried out at a famous water park, 28 children out of a...
1.a. In a survey carried out at a famous water park, 28 children
out of a random sample of 80 said that they used the water slide
regularly. Find a 95 % confidence interval for the true proportion
of all children at the water park who uses the water slide
regularly. [4]
b. The owner of the water park found that 45 children out of a
random sample of 100 said that they used the pool regularly. Find a
98%...
In the survey on the quality of coffee A carried out among 90 randomly selected customers...
In the survey on the quality of coffee A carried out among 90
randomly selected customers of the company dealing with its
distribution, the following ratings were obtained:
Rating
1
2
3
4
5
6
7
8
9
Number of people
2
4
4
10
17
18
21
8
6
a) Based on the above data, the hypothesis was verified that 40%
of all customers put coffee higher than '6' with the alternative
that less than 40% giving such a...
According to the sixth annual survey of employees of advertising agencies, carried out by the company...
According to the sixth annual survey of employees of advertising
agencies, carried out by the company Altschuler, Melvoin &
Glasser, these employees can wait another excellent year for their
compensation (Adveertising Age, December 1, 1997). To investigate
if there is any difference in the annual compensation of artistic
directors, suppose you select a random sample of 10 of them from
each of four regions: West, South, North and Northeast, and what
you want to do the research with 10% of...
Describe the Family and Medical Leave Act (FMLA). As the article indicates, the United States is...
Describe the Family and Medical Leave Act (FMLA).
As the article indicates, the United States is the only country
among forty-one (41) industrialized nations that does not mandate
paid maternity leave. What are your thoughts and impressions
regarding this fact?
In your reasoned opinion, should the federal government mandate
paid leave for the birth or adoption of a child? If the federal
government should continue to not recognize paid family leave,
should state governments? Explain your responses.
A nationwide survey of working adults indicates that out of 100 adults, 50 of them are...
A nationwide survey of working adults indicates that out of 100
adults, 50 of them are satisfied with their jobs. The president of
a large company believes that more than this number of employees at
his company are satisfies with their jobs. To test his belief, he
surveys a random sample of 100 employees, and 59 of them report
that they are satisfied with their jobs. Do you support president’s
statement about the employees satisfaction? (Use α = 0.05 level...
A nationwide survey of working adults indicates that out of 100 adults, 50 of them are...
A nationwide survey of working adults indicates that out of 100
adults, 50 of them are satisfied with their jobs. The president of
a large company believes that more than this number of employees at
his company are satisfies with their jobs. To test his belief, he
surveys a random sample of 100 employees, and 59 of them report
that they are satisfied with their jobs. Do you support president’s
statement about the employees satisfaction? (Use α = 0.05 level...
Examine the political ideologies of the two major parties in the the United States. What are...
Examine the political ideologies of the two major parties in the
the United States. What are the differences and are there any
similarities?
A survey was carried out from 120 radio listeners to see the relationship between age and...
A survey was carried out from 120 radio listeners to see the
relationship between age and radio station. A summary of their
replies is given in the table below
age range
less then 20
20-30
over 30
Commercial
22
16
50
local radio
6
10
16
(i) Formulate the null and alternative hypotheses for the
chi-square test.
(ii) At 10% significance level, calculate the degree of freedom
of the chi-square
test and state the rejection criteria for the null hypothesis...
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