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nadya68 [22]
3 years ago
6

The random variable KK has a geometric distribution with mean 16. Which of the following is closest to the standard deviation of

random variable KK ?
A. 0.0625
B. 0.9375
C. 4
D. 15.49
E. 240
Mathematics
1 answer:
asambeis [7]3 years ago
5 0

Answer:

E 240

Step-by-step explanation:

Geometric Distribution mean = (1- p) / p

16 = (1 - p) / p

16p = 1 - p  ;  17p = 1 ; p = 1/17 = 0.058  

Standard Deviation = (1 - p) / p^2

= (1 - 0.058) / (0.058)^2

0.942 / 0.003364

= 280 , closest to 240

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Marrrta [24]

Answer:

28.26 (Please mark as brainiest if you find it helpful )

Step-by-step explanation:Area the goat will eat is equal to the are of circle having radius 3m.

Area of circle  =  pi * r ^ 2

⇒  3.14 * (3) ^ 2   →  3.14 * 9

⇒ 28.26

7 0
3 years ago
CAN SOMEONE PLEASE HELP ME WITH MY MATH ASAP PLEASE!!!!​
densk [106]

Answer:

5

Step-by-step explanation:

The height of the largest triangle = √(9 * 25) = 3 * 5 = 15

y is the square root of (25^2 + 15^2)

y = √(625 + 225)

y = √850

y = √(2 * 5*5 * 17)

y = 5 * √34

5 goes in the box.

8 0
3 years ago
HELP PLEASE WILL MARK BRAINLIEST WHAT IS -5x^2+7x+1 from 8x^2+x-10
Licemer1 [7]

Answer:

 13x^2- 6x - 9

Step-by-step explanation:

Please use the word "subtraction" or "less ... " or similar.

8x^2+x-10 less -5x^2+7x+1 is

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-----------------------

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6 0
3 years ago
Help me please .......​
snow_tiger [21]

Answer:

75%

Step-by-step explanation:

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5 0
3 years ago
I need this by tonight help !!?
LUCKY_DIMON [66]
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85+42= 127 
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3 0
4 years ago
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