If you were to flip a coin twenty times, approximately how many times do you think heads would come up?

Mathematics

2 answers:

Gemiola [76]2 years ago

8 0

Theoretically 10 because the 50/50 chance realistically though you'll get more or less

Llana [10]2 years ago

7 0

The probability of heads on any toss is just as likely as the probability of tails because each coin toss is an independent event. In other words two events related in such a way that knowing about the occurrence of one event has no effect on the probability of the other event, in others words independent.

It does not matter if you have flipped a coin 5 times and it was heads, it is not "due" to come up tails. This is an incorrect assumption just like it is incorrect to believe you are "on a roll" because 5 times it was heads.

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In a local town, 4/5 of the voting-age population is registered to vote. If 7/8 of the registered voters voted in the election

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Answer:

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Step-by-step explanation:

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Select the factors that can be divided out to simplify the multiplication problem: 4/26 x 13/20. Select all that apply. A. 2 B.

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$\dfrac{4}{26} \times \dfrac{13}{20}$

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Divide by factor of 4.
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<em>*Or divide by the factor of 2 twice</em>

$\dfrac{1 \times 4}{26} \times \dfrac{13}{5 \times 4}$

$\dfrac{1}{26} \times \dfrac{13}{5}$

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Divide by factor of 13.
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$\dfrac{1}{2 \times 13} \times \ \dfrac{1 \times 13}{5}$

$\dfrac{1}{2} \times \dfrac{1 }{5}$

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Combine into single fraction.
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$\dfrac{1}{10}$

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Answer: The factors are 2, 4 and 13
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