subject
Mathematics, 11.02.2020 20:05 Crxymia

Yoonie is a personnel manager in a large corporation. Each month she must review 16 of the employees. From past experience, she has found that the reviews take her approximately four hours each to do with a population standard deviation of 1.2 hours. Let Χ be the random variable representing the time it takes her to complete one review. Assume Χ is normally distributed. Let be the random variable representing the mean time to complete the 16 reviews. Assume that the 16 reviews represent a random set of reviews.

A. Find the probability that the mean of a month’s reviews will take Yoonie from 3.5 to 4.25 hrs. Sketch the graph, labeling

and scaling the horizontal axis. Shade the region corresponding to the probability.

B. P() =

C. Find the 95th percentile for the mean time to complete one month's reviews. Sketch the graph.

D. The 95th Percentile =

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 20.06.2019 18:02
Write 1/8% as a decimal number. enter your answer in the box.
Answers: 2
question
Mathematics, 21.06.2019 19:30
Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.
Answers: 1
question
Mathematics, 21.06.2019 20:00
If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?
Answers: 1
question
Mathematics, 21.06.2019 21:30
Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth
Answers: 1
You know the right answer?
Yoonie is a personnel manager in a large corporation. Each month she must review 16 of the employees...
Questions
question
Mathematics, 05.12.2019 20:31
question
History, 05.12.2019 20:31
Questions on the website: 13722360