Brano5694 Brano5694

12-03-2021
Mathematics

contestada

A box contains 45 cubes numbered 1-45. What is the probability of pulling out 2 primes in a row if the first one is. It replaced?

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clarch19 clarch19

12-03-2021

Answer:

1/9

Step-by-step explanation:

prime #'s between 1 and 45:

2,3,5,7,11,13,17,19,23,27,29,31,37,41,43

P(prime,prime) = 15/45 × 15/45 or 1/3 × 1/3

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