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3 years ago

Which is greater, 5/6, 7/8 or 5/8?

Mathematics

2 answers:

Mashutka [201]3 years ago

7 0

5/6 i think it’s that

guajiro [1.7K]3 years ago

6 0

Answer:

5/6 is greater

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

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4 years ago

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In a lottery game a player wins $1,000,000 with probability 0.0000005, wins $200,000 with probability0.000002, and wins $30,000

MariettaO [177]

Answer:

$X_1 = 1000000 , P(X_1)= 0.0000005$

$X_2 = 200000 , P(X_2)= 0.000002$

$X_3 = 30000 , P(X_3)= 0.00001$

$X_4 = -2, P(X_4) = 1-0.0000005-0.000002-0.00001= 0.9999875$

And then replacing we have this for the expected value:

$E(X) = 1000000*0.0000005 +200000*0.000002+30000*0.00001 2*0.9999875$

And after do the math we got:

$E(X) = -0.79998$

And then the expected value for this game is -0.79998 a negative result means NOT a win.

Step-by-step explanation:

For this case we can define the random variable X as the amount that we can win. We can find the expected value with the following formula:

$E(X) = \sum_{i=1}^n X_i P(X_i)$

And we have the following probabilities and possible values given:

$X_1 = 1000000 , P(X_1)= 0.0000005$

$X_2 = 200000 , P(X_2)= 0.000002$

$X_3 = 30000 , P(X_3)= 0.00001$

$X_4 = -2, P(X_4) = 1-0.0000005-0.000002-0.00001= 0.9999875$

And then replacing we have this for the expected value:

$E(X) = 1000000*0.0000005 +200000*0.000002+30000*0.00001 2*0.9999875$

And after do the math we got:

$E(X) = -0.79998$

And then the expected value for this game is -0.79998 a negative result means NOT a win.

7 0

3 years ago

The cost of 14 gallons of gas is $19.46. How much gas could you buy with $8.70

Bogdan [553]

First, you would find out how much 1 gallon of gas would cost

You would calculate $19.46 divided by 14 gallons

Your quotient is $1.39

Then, you would divide how much money you actually have ( $8.70 ) by how much 1 gallon is ( $1.39 )

You get 6.25...

But since you cannot by 1/4 a gallon, you would round your quotient down to 6

Solution : 6 gallons

Mark brainliest if this helped :D

7 0

4 years ago

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Ber [7]

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3 years ago

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