3 years ago

Simplify. y 5 · y 3 ÷ y 2

1 answer:

3 0

Y^5 x y^3 /y^2
y^8/y^2
y^4

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qwelly [4]

Answer: The probability that both televisions work is 0.5625 .

The probability at least one of the two televisions does not work is 0.4375.

Step-by-step explanation:

Given : Number of televisions received in shipment= 12

Number of defective televisions received in shipment= 3

Then proportion of defective televisions = $\dfrac{3}{12}=0.25$

Using binomial probability formula, the probability of getting success in x trials is given by :-

$P(x)=^nC_xp^x(1-p)^{n-x}$

If two televisions are randomly selected, then the probability that both televisions work will be :-

$P(0)=^2C_0(0.25)^0(0.75)^2=(0.75)^2=0.5625$

The probability at least one of the two televisions does not work will be :-

$P(x\geq1)=1-P(0)=1-0.5625=0.4375$

6 0

2 years ago

Ainat [17]

Answer:

Yes

Step-by-step explanation:

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3 years ago

Licemer1 [7]

They are all correct except in 5), 4+8 is 12, not 13.

8 0

3 years ago

katrin [286]

Answer:-2/5, -3/4, 0, 3/4, 19/10, 8/3

Step-by-step explanation:

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3 years ago

nirvana33 [79]

What is the rest of the expression?

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3 years ago