3 years ago

PLEASE HELP!! I’ll make you the brainlyest!!!

Mathematics

1 answer:

STatiana [176]3 years ago

6 0

Answer:

Step-by-step explanation:

Can't really see the graph clearly but the range looks like its from 40-70 so 30 and the amplitude is half of that so 15.

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Pls help!!!!!!!!!!!!!!

SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

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3 years ago

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A, B and C are events such that P(A) = 1/3, P(B) = ¼, and P(C) = 1/5. Find P(AUBUC) under each of the following assumptions: a)

marta [7]

(a) If $A,B,C$ are mutually exclusive, then

$P(A\cap B)=P(A\cap C)=P(B\cap C)=P(A\cap B\cap C)=0$

so we have

$P(A\cup B\cup C)=P(A)+P(B)+P(C)=\dfrac{47}{60}$

(b) If $A,B,C$ are mutually independent, then

$P(A\cap B)=P(A)P(B),$

$P(A\cap C)=P(A)P(C),$

$P(B\cap C)=P(B)P(C),$

$P(A\cap B\cap C)=P(A)P(B)P(C)$

so that

$P(A\cup B\cup C)=P(A)+P(B)+P(C)-(P(A\cap B)+P(A\cap B)+P(B\cap C))+P(A\cap B\cap C)$

$P(A\cup B\cup C)=\dfrac{47}{60}-\left(\dfrac1{12}+\dfrac1{15}+\dfrac1{20}\right)+\dfrac1{60}$

$P(A\cup B\cup C)=\dfrac35$

5 0

4 years ago

What the answer to lesson 5.4

Anastaziya [24]

0.270 repeated. I used long division and a calculator. hoped this helped.

6 0

3 years ago

PLEASE HELP ASAP!!!!! i will give brainliest

katrin2010 [14]

Answer:

Step-by-step explanation:

you are pretty much just factoring throughout.
you can also plug in numbers
or use the quadratic equation

I'll be using the quadratic equation

5 0

3 years ago

It’s home work I need help please and thank you

Mars2501 [29]

Answer:

I hope it's helpful for you

7 0

3 years ago

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