Mathematics, 17.09.2019 23:00, Josephcastillo6403

Abag contains only black marbles and white marbles . ezra reached into the bag without looking , got 30 marbles , and found that 12 of the marbles were black . ezra is going to reach in the bag again and get one more marble .
what is the experimental probability that the marble will be black ?
a) 1/12
b) 2/5
c) 1/2
d) 2/3

Answers: 2

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Abag contains only black marbles and white marbles . ezra reached into the bag without looking , got...