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Anarel [89]
3 years ago
11

8. Given

Mathematics
1 answer:
Ber [7]3 years ago
3 0

Answer:

-3,694

I am not sure what in the world the rest means, so I am very sorry. I just subtracted some stuff. I have no clue if that helped...

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The scores on an entrance exam to a university are known to have an approximately normal distribution with mean 65% and standard
emmasim [6.3K]

Answer:

The correct answer is - C. 24.1%

Step-by-step explanation:

Given:

mean μ = 65%

standard deviation δ = 7.1 %

solution:

Prob( X>70) = 1 - Prob(x<70)  

= P (x-μ/δ ≥ 70 -65/7.1)

= 1 - Prob( (70-65)/7.1)

= 1 - Prob ( z < 0.7042553)

= 0.24065

the percentage of students scoring 70 or more in the exam

= 24.065*100

= 24.1%

4 0
2 years ago
Help me !! With number 3! I’ll mark you brainly
____ [38]

Answer:  

2 A. Exponential  Expression.

2 B. Linear.

3 A. Linear.

3 B.  Exponential Expression.

6 0
2 years ago
How far is Mars from the sun actually formatted
pav-90 [236]

Answer:

228 kilometers away

Step-by-step explanation:

6 0
3 years ago
Is V72 rational or irrational? And why
Evgesh-ka [11]
Irrational, because if you simplify the root V72=6V2

7 0
2 years ago
Value of 2x when x = 5
lora16 [44]

Answer: 10

Step-by-step explanation:

My answer is correct because, if x=5 then were just multiplying 2 times 5 since 5 is not on the top like 2^{5} because if it was that means we have to multiply 2 by itself 5 times. But since its not a exponent you just multiply 2 times 5. And 2 x 5= 10.

Hope This Helps!

8 0
3 years ago
Read 2 more answers
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