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Anna [14]
3 years ago
11

marbles numbered from 1 to 12 are put in a bag. if marbles are not put back into the bag after being drawn, what is the probabil

ity of drawing two prime numbers in a row?
English
1 answer:
kow [346]3 years ago
3 0

Answer: 0.1515

Explanation:

The prime numbers from 1 to 12 are 2, 3, 5, 7, 11. This means that there are 5 prime numbers from 1 to 12.

The probability of drawing the first prime number will be: = 5/12

The probability of drawing the second prime number will be: = 4/11

Therefore, the probability of drawing two prime numbers in a row will be:

= 5/12 × 4/11

= 20/132

= 0.1515

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Answer:

3- C.

4- D.

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After Dr. Heidegger told his old friends about the elixir, Colonel Killingrew, according to the narrator did not believe him. Though the narrator describe that Colonel Killingrew did not believe him, but Colonel Killingrew's words suggests that he considered the possibilities of success of this experiment. Therefore, answer to question no. 3 is option C.

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