Mathematics, 19.02.2020 05:17 alissa3329
A jar contains 4 white and 4 black marbles. We randomly choose 4 marbles. If 2 of them are white and 2 are black, we stop. If not, we replace the marbles in the jar and again randomly select 4 marbles. This continues until exactly 2 of the 4 chosen are white. What is the probability that we shall make exactly n selections?
Answers: 1
Mathematics, 22.06.2019 02:30, SunsetPrincess
Carli has 90 apps on her phone. braylen has half the amount of apps as theiss. if carli has three timesthe amount of apps as theiss, how many apps does braylen have? let b represent the number of braylen's apps and t represent the number of theiss's apps.
Answers: 3
A jar contains 4 white and 4 black marbles. We randomly choose 4 marbles. If 2 of them are white and...
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