Question

Asked Oct 30, 2019

A sample of n=4 scores is selected from a population with m=50 and standard deviation of 12. If the sample mean is M=56, what is the z-score for this sample mean?

Step 1

It is given that the mean and standard dev...

Tagged in

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normall...

A: Note:Hey, since there are multiple sub-parts question posted, we will answer first three sub-parts a...

Q: A study is being conducted of the faculty salaries for a public university. Of the 1200 tenuretrack ...

A: a.In this context, the faculties are named as 3 stratum. That is full professors, associate professo...

Q: For this set of data, the standard deviation (s) is equal to: 9, 8, 10, 5, 5, 2, 3, 6, 3

A: Mean:The formula for finding mean is shown below:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.4 year...

A: Given information:Mean, µ=14.4Standard deviation, σ=3.8Sample size, n=23

Q: novel pages- a random sample of 25 novels has a standard deviation of 9 pages. Find the 95% confide...

A: The sample standard deviation is 9.The sample size is 25.

Q: explain please Definition of a binomial B(n, p) rv; formulas for m and s; calculation of probabiliti...

A: Introduction to binomial distribution:Consider a random experiment involving n independent trials, s...

Q: A study of intra-observer variability in the assessment of cervical smears, 3,325 slides were screen...

A: 1) The appropriate Null and Alternative Hypotheses are given below: From the given information, the ...

Q: An apple a day: Following are the numbers of grams of sugar per 100 grams of apple in a random sampl...

A: Sample mean and standard deviation:Descriptive statistics:Step-by-step procedure to obtain the descr...

Q: The lengths of a professor's classes have a continuous uniform distribution between 50.0 min and 52....

A: Solution: We are given that the lengths of a professor's classes have a continuous uniform distribut...