for a sample of 150 that has a mean of 6540 and a standard deviation of .89, calculate the 95% confidence interval.

Q: Construct a​ 95% confidence interval for the population mean muμ. Assume the population has a Normal...

A: The margin of error is obtained below:The level of significance=1-0.95=0.05.The degrees of freedom= ...

Q: College Units Frequency 0-24 25-49 3 Find the standard deviation for the grouped data. 50-74 6 75-99...

A: The standard deviation for the grouped data is calculations tabulated below:

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=5n=5 times. Use some ...

A: From the given information, the binomial experiment with 5 trails and p=0.676. The probability mass ...

Q: How to find margin of error and 95% confidence interval?

A: Margin of error:The margin of error helps in constructing confidence intervals, which gives a range ...

Q: Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard de...

A: Given dataMean = 77.5Standard deviation = 11.5Formula to calculate z-score is given by

Q: The random variable x is known to be uniformly distributed between 1.0 and 1.5.     Show the graph...

A: a. Show the graph of the probability density function of Uniform distribution. From the given inform...

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: Stress test results-For a group of 12 men subjected to a stress test situation, the average heart ra...

A: It is given that mean and standard deviation are 109 and 4, respectively.In the given case,

Q: Twelve jurors are randomly selected from a population of 5million residents. Of these 5 million​ res...

A: a).The proportion of the jury described is from a minority race is 2/12 = 0.17.b).The number of resi...