Question
In: Statistics and Probability
a survey of nonprofit organizations showed that online fundraising has increased in the past year. based...
a survey of nonprofit organizations showed that online fundraising has increased in the past year. based on a random sample of 122 nonprofits, the mean onetime gift donation resulting from email outreach in the past is 87. Assume that the sample standard deviation is 9.
A if you test the null hypothesis at the 0.01 level of significance, is there evidence that the mean onetime gift donation is greater than 85.50
B. interpret the meaning of the p- value.
Solutions
orchestra answered 2 years agoRelated Solutions
A survey of nonprofit organizations showed that online fundraising has increased in the past year. Based...
A survey of nonprofit organizations showed that online
fundraising has increased in the past year. Based on a random
sample of 50 nonprofits, the mean one-time gift donation in the
past year was $39, with a standard deviation of $10. Complete
parts a and b below. a. Construct a 90% confidence interval
estimate for the population one-time gift donation. nothingless
than or equalsmuless than or equals nothing (Type integers or
decimals rounded to two decimal places as needed.)
A survey of nonprofit organizations showed that online fundraising has increased in the past year. Based...
A survey of nonprofit organizations showed that online
fundraising has increased in the past year. Based on a random
sample of
50
nonprofits, the mean one-time gift donation in the past year
was
$28,
with a standard deviation of
$10.
Complete parts a and b below.
a. Construct a
95%
confidence interval estimate for the population one-time gift
donation.
A survey of nonprofit Universities showed that online fundraising has increased in the past year. Based...
A survey of nonprofit Universities showed that online
fundraising has increased in the past year. Based on a sample of 80
Universities, the mean quantity per donation in the past year was
$82, with a standard deviation of $9. You are required to create a
95% confidence interval with the data.
What is the margin of error?
What is the point estimate for this for μ using the data
above?
A survey of non–profit organizations showed that fundraising has increased past year. Based on a sample...
A survey of non–profit organizations showed that fundraising has
increased past year. Based on a sample of 30 non–profit
organizations the mean one–time gift donation in the past year was
$75 with standard deviation of $9. At the 0.01 level of
significance, is there evidence that the mean one–time gift
donation is greater than $70.
One of the most impressive, innovative advances in online fundraising over the past decade is the...
One of the most impressive, innovative advances in online
fundraising over the past decade is the rise of crowd-funding
websites. While features differ from site to site, crowd-funding
sites are websites that allow you to set up an online fundraising
campaign based around a fundraising page, and accept money
directly from that page using the website's own credit card
processor. A certain crowd-funding website reported that 127 of
347 technology crowd-funding projects were successfully launched
in the past year and...
One of the most impressive, innovative advances in online fundraising over the past decade is the...
One of the most impressive, innovative advances in online
fundraising over the past decade is the rise of crowd-funding
websites. While features differ from site to site, crowd-funding
sites are websites that allow you to set up an online fundraising
campaign based around a fundraising page, and accept money
directly from that page using the website's own credit card
processor. A certain crowd-funding website reported that 127 of
347 technology crowd-funding projects were successfully launched
in the past year and...
A survey of homes in a particular suburb showed that in the past five years 30%...
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five years 30% installed solar panels, 60% added more insulation,
and 25% did both.
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b. What percentage of homes in this suburb did at least one of
these two things?
c. What percentage of homes did only one of these things?
d. A randomly selected home has new solar panels. What is the
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A survey of magazine subscribers showed that 45.9% rented a car during the past 12 months...
A survey of magazine subscribers showed that 45.9% rented a car
during the past 12 months for business reasons, 53% rented a car
during the past 12 months for personal reasons, and 29% rented a
car during the past 12 months for both business and personal
reasons.
(a)
What is the probability that a subscriber rented a car during
the past 12 months for business or personal reasons?
(b)
What is the probability that a subscriber did not rent a...
1. A survey of magazine subscribers showed that 45.8% rented a car during the past 12...
1. A survey of magazine subscribers showed that 45.8% rented a
car during the past 12 months for business reasons, 54% rented a
car during the past 12 months for personal reasons, and 30% rented
a car during the past 12 month for both business and personal
reasons.
(a) (3 points) What is the probability that a subscriber rented
a car during the past 12 months for business or personal
reasons?
(b) (1 points) What is the probability that a...
Case Study: Greenly Insurance Company Greenly has worked hard over the past year and has increased...
Case Study: Greenly Insurance Company
Greenly has worked hard over the past year and has increased
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Greenly has determined that it has been able to retain its
Generation Y customers, who have established their own households.
Greenly’s new survey of former customers has revealed that it is
losing its Baby Boomer customers who like to shop for coverage
based on price. One of the reasons most often cited for leaving is
the...
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