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SpyIntel [72]
3 years ago
15

HELP please this is a TEST!!

Mathematics
1 answer:
stealth61 [152]3 years ago
8 0
The answer is y=-3/2x +3 so D
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Below is a probability distribution for the number of failures in an elementary statistics course. X 0 1 2 3 4 P(X=x) 0.41 0.18
faust18 [17]

Answer:

a) P(X=2)= 0.29

b) P(X<2)= 0.59

c) P(X≤2)= 0.88

d) P(X>2)= 0.12

e) P(X=1 or X=4)= 0.24

f) P(1≤X≤4)= 0.59

Step-by-step explanation:

a) P(X=2)= 1 - P(X=0) - P(X=1) - P(X=3) - P(X=4)= 1-0.41-0.18-0.06-0.06= 0.29

b) P(X<2)= P(X=0) + P(X=1)= 0.41 + 0.18 = 0.59

c) P(X≤2)= P(X=0) + P(X=1) + P(X=2)=0.41+0.18+0.29= 0.88

d) P(X>2)=P(X=3) + P(X=4)=0.06+0.06= 0.12

e) P(X=1 or X=4)=P(X=1 ∪ X=4) = P(X=1) + P(X=4)=0.18+0.06= 0.24

f) P(1≤X≤4)=P(X=1) + P(X=2) + P(X=3) + P(X=4)=0.18+0.29+0.06+0.06= 0.59

3 0
3 years ago
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Gabriela's monthly take-home pay is $2800, and her monthly rent is $700. If both her monthly take-home pay and her rent increase
ruslelena [56]
Gabriela spends about 30% of her take home pay on rent.
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3 years ago
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So uh- people didnt do the question properly- i just need help with QUESTION 4
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Answer:

A and C luv <3

Step-by-step explanation:

3 0
3 years ago
Is 5.78778778 ..a rational or irrational number
Orlov [11]

5.78778778 ….. is an irrational number because the decimal can't be represented as a ratio or fraction.

<h3>What are irrational numbers?</h3>

Irrational numbers are the set of real numbers that cannot be expressed in the form of a fraction, x/y where x and y are integers.

In other words, an Irrational Number is a real number that cannot be written as a simple fraction.

For example π = 3.1459....

π cannot be written as a fraction or ratio.

The decimals of irrational number goes on forever without repeating.

The decimals are continuous.

Therefore, 5.78778778 ….. is an irrational number because the decimal can't be represented as a ratio or fraction.

learn more on irrational number here: brainly.com/question/3386568

#SPJ1

8 0
1 year ago
Can someone help me i need to help my little sister with her math too.
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Answer:

You need to ask your question.

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