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3 years ago

Can someone help me please!!?

Mathematics

1 answer:

m_a_m_a [10]3 years ago

4 0

Answer:

Step-by-step explanation;

1. 41%=0.41=K

2. 23%=0.23=F

3. 98%=0.98=D

4. 67%=0.67=E

5. 34%=0.34=A

6. 12%=0.12=G

7. 48%=0.48=B

8. 76%=0.76=J

A. 3/10=0.3

B. 1/2=0.5

C. 1/4=0.25

D. 5/5=1

E. 2/3=0.67

F. 1/3=0.33

G. 1/10=0.1

H. 3/4=0.75

I. 9/10=0.9

J. 4/5=0.8

K. 2/5=0.4

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A banks loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviati

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Answer:

2.87%

Step-by-step explanation:

We have the following information:

mean (m) = 200

standard deviation (sd) = 50

sample size = n = 40

the probability that their mean is above 21.5 is determined as follows:

P (x> 21.5) = P [(x - m) / (sd / n ^ (1/2))> (21.5 - 200) / (50/40 ^ (1/2))]

P (x> 21.5) = P (z> -22.57)

this value is very strange, therefore I suggest that it is not 21.5 but 215, therefore it would be:

P (x> 215) = P [(x - m) / (sd / n ^ (1/2))> (215 - 200) / (50/40 ^ (1/2))]

P (x> 215) = P (z> 1.897)

P (x> 215) = 1 - P (z <1.897)

We look for this value in the attached table of z and we have to:

P (x> 215) = 1 - 0.9713 (attached table)

P (x> 215) =.0287

Therefore the probability is approximately 2.87%

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3 years ago

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The volume of a cube is 8 in^3 What is the length of one side?

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Answer:

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Step-by-step explanation:

Use the cube volume formula, V = s³, where s is the side length

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