4 years ago

Prime number definition

Mathematics

2 answers:

vitfil [10]4 years ago

7 0

A prime number is a number that has no factors other than ' 1 ' and itself.

Lelu [443]4 years ago

6 0

A number that has no other divisors besides one and itself. Also a number greater than one.

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Removal of 3 points for not rolling a 6

The probability of rolling a 6 in a fair die is 1/6.

The probability of not rolling a 6 in a fair die is 5/6.

So, the expected gain in each game is:

$\mathbf{E(x) = 20 \times \frac 16 - 3 \times \frac 56}$

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Take LCM

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So, the expected gain is:

$\mathbf{Gain = 100 \times 0.83}$

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