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Olenka [21]
3 years ago
9

Find the expected value of the random variable. Round to the nearest cent unless stated otherwise. Suppose you buy 1 ticket for

$1 out of a lottery of 1,000 tickets where the prize for the one winning ticket is to be $500. What is your expected value
Mathematics
1 answer:
QveST [7]3 years ago
5 0

Answer:

Expected Value = - 0.5

Step-by-step explanation:

Expected Value [ E(X) ]  = Σ  {X. Probability (X)} = Σ [ (X).P(X) ]

  • Case 1 : Lottery Won

Probability = 1 / 1000

X Value = 500 - 1 = 499

  • Case 2 : Lottery Lost

Probability =  1 - Probability Winning = 999 / 1000

X Value = -1

  • Expected Value :

(1 / 1000) (499) + (999 / 1000) (-1)

0.499 - 0.999

= - 0.5

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<span>8w – 3r = 45 
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Please solve B, C, D, E, and F and I will give Brainliest!
kykrilka [37]

Answer:

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Step-by-step explanation:

multiply by the same number by the amount of times the power tells you

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2 years ago
Select all the statements you agree with.
wolverine [178]

The statements that I agree with, with respect to a parallelogram are:

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<h3>What is a parallelogram?</h3>

A parallelogram can be described as the quadrilateral  that do contains  two pairs with respect to their parallel sides.

It should be noted that the sides that can be found in the parallelogram are usually of the same length and there the sides that can be attributed to a parallelogram is usually 6.

Therefore, the option 1,2,4,5 are correct.

Learn more about parallelogram at:

brainly.com/question/970600

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3 years ago
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