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3241004551 [841]
3 years ago
11

Can I have help and pls don't answer if you don't know

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
7 0

Answer:

I think its A

Step-by-step explanation:

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Sarah pays $80 for 5<br> piano lessons. What is<br> the cost per lesson?
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3 years ago
Suppose that a basketball player different from the
Volgvan

Answer:

a. Mean = 6

Variance = 2.4

Standard Deviation = 1.55

b. P(X=16) = 0.124

Step-by-step explanation:

Given

n = Total shots = 10

p = Probability of success = 60%

p = 60/100

p= 0.6

q = Probability of failure

q = 1-p

q = 1 - 0.6

q = 0.4

a.

Mean = np

Mean = 10 * 0.6

Mean = 6

Variance = npq

Variance = 10 * 0.6 * 0.4

Variance = 2.4

Standard Deviation = √Variance

Standard Deviation = √2.4

Standard Deviation = 1.549193338482966

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b.

We have X = 16

x = 10

Assume that the events "success" on the various throws are independent.

The 10th success came on the 16th attempt

So, the player had exactly 10 successes and 6 failures on 16th trial

So Probability = nCr 0.6^10 * 0.4^6

Where n = 15 and r = 9 (number of attempts and success before the 16th trial)

15C9 * 0.6^10 * 0.4^6

= 5005 * 0.0060466176 * 0.004096

= 0.123958563176448

= 0.124 ------ Approximated

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3 years ago
Which group has a larger median number of bones discovered?
lidiya [134]

Answer:

Group A has a larger median

Step-by-step explanation:

Group A : 0,1,2,3,3,3,4,4,5,5,7,7,8,9,9

Group B : 0,1,1,1,1,2,2,2,3,3,3,5,,6,6,7,8,8,9,9,9

You cross the first number out then you cross the last number. You continue that pattern until you have one or two digits left. If you have two digits left, you add them then divide by two. That the median. But, if you only have one digit, that number is the median.

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3 years ago
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I'm not quite sure though, im thinking 65 represents the speed of the moving car.
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3 years ago
Help plz anyone plz help me !!!!!!!!
scZoUnD [109]
Check the attachment for the answers. Click on it again to make it bigger.

8 0
3 years ago
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