A recent survey by the New Statesman on British social
attitudes asked respondents if they believe...
A recent survey by the New Statesman on British social
attitudes asked respondents if they believe that inequality is too
large. The survey found that 68% of the respondents do believe
inequality is too large.
In a sample of six British citizens, what is the probability
that two believe inequality is too large? If required, round your
answer to four decimal places.
f (2) =
In a sample of six British citizens, what is the probability
that at least two respondents believe that inequality is too large?
If required, round your interim calculations and final answer to
four decimal places.
P (at least 2) =
In a sample of four British citizens, what is the probability
that none believe inequality is too large? If required, round your
answer to four decimal places.
f (0) =
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5. A survey on British Social Attitudes asked respondents if
they had ever boycotted goods for ethical reasons (Statesman,
January 28, 2008). The survey found that 23% of the respondents
have boycotted goods for ethical reasons.
a) In a sample of six British citizens, what is the probability
that two have ever boycotted goods for ethical reasons? .
b) In a sample of six British citizens, what is the probability
that at least two respondents have boycotted goods for ethical...
A survey on British Social Attitudes asked respondents if they
had ever boycotted goods for ethical reasons (Statesman, January
28, 2008). The survey found that 23% of the respondents have
boycotted goods for ethical reasons.
In a sample of six British citizens, what is the probability
that two have ever boycotted goods for ethical reasons?
In a sample of six British citizens, what is the probability
that at least two respondents have boycotted goods for ethical
reasons?
In a sample...
2. The data below are from the 2016 General Social Survey.
Respondents were asked to describe whether their religion was (1)
fundamentalist, (2) moderate or (3) liberal. Respondents were also
asked whether they believed in evolution from the statement “Human
beings developed from animals.” Respondents not believing in
evolution said (1) “false” while supporters of evolution said (2)
“true”. Which variable below is the independent variable? The
dependent variable? Correctly percentage the data in the table. (Do
not calculate the...
In a 2012 survey of Internet users, respondents were asked
whether they used social networking sites. The following
2 ✕ 2 table of counts and row percentages displays the results
by sex of the respondent.
Use Social Networking
Sites?
Yes
No
Total
Men
521 (62%)
324 (38%)
845 (100%)
Women
680 (71%)
281 (29%)
961 (100%)
Total
1,201
605
1,806
(
(b)
Calculate the value of the chi-square statistic in this
situation. (Round your answer to two decimal places.)
χ2...
In a 2012 survey of Internet users, respondents were asked
whether they used social networking sites. The following
2 ✕ 2 table of counts and row percentages displays the results
by sex of the respondent.
Use Social Networking
Sites?
Yes
No
Total
Men
521 (62%)
324 (38%)
845 (100%)
Women
680 (71%)
281 (29%)
961 (100%)
Total
1,201
605
1,806
(
(b)
Calculate the value of the chi-square statistic in this
situation. (Round your answer to two decimal places.)
χ2...
Respondents in the 2017 General Social Survey (GSS) were asked
“on an average work day, about how many hours do you have to relax
or pursue the activities that you enjoy?”. 244 males responded to
the question and 262 females responded. Men reported an average of
3.28 hours per day (with a standard deviation of 2.12 hours) and
women reported an average of 2.99 hours per day (sd=2.05).
A. Calculate and interpret the 95% confidence interval for
relaxation hours for...
A survey asked respondents if they would rather live in a place
with a slower pace of life or a place with a faster pace of life.
The survey also asked the respondent's gender. Consider the
following sample data.
Preferred Pace
of Life
Gender
Male
Female
Slower
230
218
No Preference
22
26
Faster
88
46
(a)
Is the preferred pace of life independent of gender? Conduct a
hypothesis test using a 0.05 level of significance.
State the null and...
In a Survey respondents were asked whether or not they had a
Facebook account. Of men 215 men, 70 had an active facebook
profile, while 347 had 85 active profiles. Given that facebook has
had an approximately 50 million users.
A) Are these two population dependent or independent?
Explain
B)Find the point estimate for each population rounded to two
decimals.
C) Can we say that this is normally distributed data? why?
D) Are there more males than females on facebook?...
A research group conducted a survey about church attendance. The
survey respondents were asked about their church attendance and
asked to indicate their age. The results are as follows:
Church Attendance
Age
20 to 29
30 to 39
40 to 49
50 to 59
Yes
60
30
68
100
No
87
107
80
50
Answer the following four questions. Use 5% level of
significance throughout.
1.We use the sample data above to determine whether church
attendance is independent of age....
In a recent survey about US policy in Iraq, 62 % of the
respondents said that they support US policy in Iraq. Females
comprised 53% of the sample, and of the females, 46% supported US
policy in Iraq. A person is selected at random.
What is the probability that the person we select is female and
supports U.S. policy in Iraq?
Are the events "does not support U.S, policy in Iraq" and
"female" statistically independent? Why or why not?
What...