Question

Asked Oct 18, 2019

49 views

A survey of nonprofit organizations showed that online fundraising has increased in the past year. Based on a random sample of 50nonprofits, the mean one-time gift donation in the past year was

$34,with a standard deviation of$88.

Complete parts a and b below.a. Construct a 95%confidence interval estimate for the population one-time gift donation.

27≤μ≤41.01

(Type integers or decimals rounded to two decimal places as needed.)

Step 1

From the given information, the sample size is 50, the sample mean is 34 and the sample standard deviation is 8.

The degree of freedom is, *n *– 1 = 50– 1 = 49.

The level of ...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: x bar is an estimate of?

A: Population:The set of all subjects of interest can be termed as population.Sample:The subset of the ...

Q: 2.d in pictures

A: Confidence Interval is calculated using the formula shown below:

Q: Suppose a golfer claims that her drive distance is not equal to 232 meters, on average. Several of h...

A: The provided information is:

Q: 2. Find the mean, standard deviation and variance (to the nearest hundredth) of the probability dist...

A: Consider X be a random variable which represent the number of games played with the corresponding pr...

Q: How many ways can a delegation of 2 Republicans, 2 Democrats, and 2 Independents be selected from a ...

A: Given dataRepublicans = 4Democrats = 4Independent = 3

Q: In 2014, the per capita consumption of soft drinks in the United States was reported to be 42.1 gall...

A: 1.Probability that someone consumed more than 60 gallons of soft drinks can be obtained by entering ...

Q: Parts D and E

A: 5.79. D) i) From the given information, two dice are rolled.A: Event that represents doubles.B: Sum ...

Q: Suppose you compile all possible samples of 25 children of preschool age in your school district. If...

A: Sampling distribution of sample mean:A sampling distribution of the sample mean for a given sample o...

Q: 2. Use your calculator to find the indicated probability (to the nearest thousandth.) Indicate all t...

A: Consider, Let X be random variable that follows binomial distribution.i.e.