The probability of finding a green signal on a busy crossing X is 30%.What is the probability of finding a green signal on X on two consecutivedays out of three ?
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2:3
Step-by-step explanation:
probability of getting green signal is 30:30
the chance of getting green on 2nd day is 30 pecent it means total 60 percent
third day is 90 percent
so 60:90
2:3
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