3 years ago

Please help i have no idea what this is!!

Mathematics

2 answers:

Nesterboy [21]3 years ago

7 0

Answer:

Step-by-step explanation:

y - y1 = m (x - x1)

y1 = 3

x1 = 5

m(the slope)= -12

Harlamova29_29 [7]3 years ago

6 0

Answer:

l think it A

Step-by-step explanation:

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The expected value of the game is the mean value of the game

The expected value of the game is $1

<h3>How to determine the expected value?</h3>

There are 13 spades in a deck of card of 52

So, the probability of selecting a spade is:

P(Spade) = 13/52

Simplify

P(Spade) = 1/4

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The probability of not selecting a spade is:

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The expected value of the game is:

$E(x) = \sum x * P(x)$

This gives

$E(x) = \frac 14 * 7 - 1 * \frac34$

Simplify

$E(x) = \frac 74 - \frac34$

Evaluate

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Hence, the expected value of the game is $1

Read more about expected values at:

brainly.com/question/15858152

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