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LekaFEV [45]
3 years ago
5

Vx-w=2 rearrange it and make x the subject

Mathematics
1 answer:
Anit [1.1K]3 years ago
8 0

Answer:

vx - w = 2 \\ vx = 2 + w \\  x =  \frac{2 + w}{v}

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In any​ year, the weather can inflict storm damage to a home. From year to​ year, the damage is random. Let Y denote the dollar
krok68 [10]

Answer:

a. mean = 1000

standard deviation = 4358.9

b. expected value of average damage bar Y = 1000

probability bar y exceeds 2000 = 0.011

Step-by-step explanation:

we have p1 = 95%, y1 = 0, p2 = 5%, y2 = 20000

Mean = (0.95 * 0) + (0.05 * 20000)

= 1000

var(y) = E(y²) - E(Y)²

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= 0²*0.95 + 20000²*0.05

= 0 + 20000000

then the variance of y = 20000000 - 1000²

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standard  deviation is the square root of variance

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2.

a. Expected value of average is also the mean = 1000

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z=\frac{2000-1000}{\sqrt{19000000/100} }

= 1000/435.889

= 2.29

1-p(z≤2.29)

= 1 - 0.989

= 0.011

so the probability that barY exceeds 2000 is 0.011

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3 years ago
Need answer ASAP please
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Answer:

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I'll give you a hint. <u><em>You had to used pemdas stands for: p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtracting.</em></u>

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Then you add and subtract from left to right.

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