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raketka [301]
4 years ago
12

Managers at a company rate employee’s on a pee

Mathematics
2 answers:
monitta4 years ago
7 0

Answer:

looks tasty

Step-by-step explanation:

stich3 [128]4 years ago
5 0

Answer:

just letting you know no one can see the photo very well

Step-by-step explanation:

You might be interested in
The Polk Company reported that the average age of a car on U.S. roads in a recent year was 7.5 years. Suppose the distribution o
Svetlanka [38]

Answer:

The standard deviation of car age is 2.17 years.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 7.5

(a) If 99.7% of the ages are between 1 year and 14 years, what is the standard deviation of car age?

This means that 1 is 3 standard deviations below the mean and 14 is 3 standard deviations above the mean.

So

14 = 7.5 + 3\sigma

I want to find \sigma

3\sigma = 6.5

\sigma = \frac{6.5}{3}

\sigma = 2.17

The standard deviation of car age is 2.17 years.

8 0
4 years ago
Read 2 more answers
1. Find the compound interest and maturity value if P = P43,000, with a rate of 5% is compounded semi-annually for 6 years.​
Leno4ka [110]

The Answer is that the present value of $100 is $100. Because this $100 dollar is deposited today so the time is equal to zero and when time is zero the value of amount is the value of amount itself.

7 0
2 years ago
HELP!? ✋
Korolek [52]
All of them are strategies for preventing cancer
3 0
3 years ago
A nursery owner buys 8 panes of glass to fix some damage to his greenhouse. The 8 panes cost $19.60. Unfortunately, he breaks 3
Sedaia [141]

Answer:

its 19. 60 just add it three more times and that is your answer

8 0
3 years ago
A seed company planted a floral mosaic of a national flag. The perimeter of the flag is 2 comma 400 ft Determine the​ flag's wid
Westkost [7]

Answer:

the width is 470 ft and the length is 730 ft.

Step-by-step explanation:

Perimeter of a flag is 2l+2w

Let w = width

Let l = w+260

2(w+260)+2w=2,400

2w+520+2w=2400

4w+520=2400

4w=1880

w=470

So, the length would be 470+260, or 730

Therefore, the width is 470 ft and the length is 730 ft.

I hope this helped and have a good rest of your day!

4 0
3 years ago
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