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2 years ago

14

Is 0.1304347826 a rational number?

1 answer:

VLD [36.1K]2 years ago

4 0

Yes it is a rational number

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Answer the question below:

marissa [1.9K]

$12 5 times 3 is 15 -20% is $12

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2 years ago

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The expected value of a random variable is the

alekssr [168]

Answer:

The expected value of random variable X is often written as E(X) or µ or µX.

Step-by-step explanation:The expected value is the 'long-run mean' in the sense that, if as more and more values of the random variable were collected (by sampling or by repeated trials of a probability activity), the sample mean becomes closer to the expected value.

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2 years ago

If you are dealt 4 cards from a shuffled deck of 52 cards, find the probability of getting two queens and two kings.

Bingel [31]

<u>Given</u>:

If you are dealt 4 cards from a shuffled deck of 52 cards.

We need to determine the probability of getting two queens and two kings.

<u>Probability of getting two queens and two kings:</u>

The number of ways of getting two queens is $4C_2$

The number of ways of getting two kings is $4C_2$

Total number of cases is $52C_4$

The probability of getting two queens and two kings is given by

$\text {probability}=\frac{\text {No.of fanourable cases}}{\text {Total no.of cases}}$

Substituting the values, we get;

$probability=\frac{4C_2 \cdot 4C_2}{52C_4}$

Simplifying, we get;

$probability=\frac{6 (6)}{270725}$

$probability=\frac{36}{270725}$

$probability=0.000133$

Thus, the probability of getting two queens and two kings is 0.000133

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2 years ago

Anyone’s know the answer??

vaieri [72.5K]

Answer:

y = 3/2x + 5/2

Step-by-step explanation:

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2 years ago

Please help me solve this problem using PEMDAS

asambeis [7]

The answer is 205
20 x 5 1/4 is 105
add the 100 and u get 205

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2 years ago

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