A spinner numbered 1 through 5 is spun 3 times. what is the probability of spinning a number less than 3 each time? are these events dependent or independent?

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asked Mar 27, 2018 44.4k views

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Collin Stevens · Answer 1 · 2018-04-01T16:23:40+0000

Prob(spinning a number < 3on 1 spin) = Prob( spinning 1 or 2) = 2/5

Prob( spinning <3 3 times) = 2/5 * 2/5 * 2/5 = 8/125

These events are independent so we multiply the probabilities.

A spinner numbered 1 through 5 is spun 3 times. what is the probability of spinning a number less than 3 each time? are these events dependent or independent?

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