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STALIN [3.7K]
3 years ago
14

HELP ASAP I AM STUCK IN A MESS!! Which is the correct answer!

Mathematics
1 answer:
Alla [95]3 years ago
7 0

Answer:

Yes

Step-by-step explanation:

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Matthew plays basketball for his high school. On average, he scores 33 points per game, with a standard deviation of 2 points. W
Lera25 [3.4K]
<h3>Answer: Choice B</h3>

Matthew will score less than 27 points in about 0.15% of his basketball games.

=======================================================

Explanation:

mu = 33 = population mean

sigma = 2 = population standard deviation

Let's find the z score when x = 27

z = (x - mu)/sigma

z = (27-33)/2

z = -6/2

z = -3

A score of 27 points is exactly three standard deviation units below the mean of 33 points.

Now refer to the Empirical Rule chart shown below. Notice that roughly 99.7% of the entire population is within 3 standard deviations of the mean. This is the span from z = -3 to z = 3.

That leaves about 100% - 99.7% = 0.3% left over for the two tails combined.

One tail has about (0.3%)/2 = 0.15% of the total area, and therefor about 0.15% of the total games will have Matthew scoring less than 27 points. This is an estimate of course.

To get a more accurate answer, you can use a Z table to find that

P(Z < -3) \approx 0.00135 \approx 0.135\%

which isn't too far off from the 0.15%

3 0
2 years ago
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It took 2 electricians 5 days to wire a house. How long would it take 10 electricians?
vova2212 [387]

Answer:

2 took 5 10 take 1

Step-by-step explanation:


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Please help with geometry
Bumek [7]
A. 19. You have to set them up equal to each other. So, 6x-2=4x+36. You then subtract the 4x from the 6x, and add 2 to 36. Which leaves you with 2x=38. Divide and you get 19! Hope this helps
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At 3:20, what is the measure in degrees of the lesser angle formed by the hour hand and the minute hand
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Answer: 30 degrees

Step-by-step explanation:

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2 years ago
If the figure is reflected over the line y=x, which rule is true
saveliy_v [14]

Answer:

These reflected points represent the inverse function

Step-by-step explanation:

This is just one of the rules that are true.

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