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Inga [223]
3 years ago
15

(-10/7) (8/3) is it positive or negative

Mathematics
1 answer:
Step2247 [10]3 years ago
7 0
The answer is negative

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Chapter 6, Section 1-D, Exercise 009 Is a Normal Distribution Appropriate? In each case below, is the sample size large enough s
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Answer:

Step-by-step explanation:

Complete Question:

Chapter 6, Section 1-D, Exercise 009 Is a Normal Distribution Appropriate? In each case below, is the sample size large enough so that the sample proportions follow a normal distribution?

a) n=600 p=0.2

b) n=20, p=0.4

if np=10 and npq=10 then  the data follows normal distribution

a) np= 120,

q= 1-0.2= 0.8

npq= 600 ×0.2×0.4 = 48

Normal distribution is appropriate and sample size is large enough

b) np= 8

q= 1-0.4= 0.6

npq= 20 × 0.4×0.6= 4.8

sample size is not large enough so normal distribution is not appropriate.

4 0
3 years ago
This is due at midnight and I have no idea how to do it
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Answer:

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Step-by-step explanation:

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2 years ago
What is the length of the radius of a circle with diameter AB: A(5, 4) and B(-1, -4)? * A. 10 B. square root 10 C. 5 D. square r
Gwar [14]

Answer:

I think its um B(-1,-4).

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3 years ago
A 30-60-90 right triangle has a hypotenuse of 4 inches, What is the length in inches of the short leg? (The one opposite the 30
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Answer:

2

Step-by-step explanation:

In 30-60-90

The hypotenuse is always the short leg multiplied by 2

So going backward, 4/2 = 2

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Judy has $10 to buy watermelons and grapes. Judy plans to buy two watermelons that cost $6 and as many pounds of grapes as she c
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