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valina [46]
2 years ago
12

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 =____________
Mathematics
1 answer:
mojhsa [17]2 years ago
5 0

Answer: i think it would be 20

Step-by-step explanation:

if you do the problem it should show you

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Anna11 [10]

Answer:

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Answer:

4

Step-by-step explanation:

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6 0
2 years ago
ABC is equal to DEF. what angle corresponds to angle B?
gregori [183]

Angle B corresponds to ANGLE E.

You can simply tell by looking at the letters that are arranged.

ΔA<u>B</u>C = ΔD<u>E</u>F

Hope this helps

8 0
3 years ago
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Janice is making a soup recipe that normally yields 8 servings. The recipe calls for 3 pounds of chicken and a certain number of
kondaur [170]

Answer:Janice needs 5 pounds of vegetables.

Step-by-step explanation:

5 0
3 years ago
One number is 20 times another number. The product of the two numbers is 180. Write an equation and use it to find all pairs of
nadezda [96]
Y = 20x

y • x = 180

180/x = y

180/x = 20x

180 = 20x^2

x^2 = 6

x = + or - 3

Therefore y must equal + or - 60.
8 0
3 years ago
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