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Given that the probability of rain on any day = 50% = 1/2, there are 2 scenarios in a day: Rain OR No rain. So, for 5 days, there are 2*2*2*2*2 = 32 scenarios.BTGmoderatorDC wrote: ↑Wed Apr 01, 2020 5:15 pmIf the probability of rain on any given day is 50%, what is the probability that it will rain on at least three days in a row during a five-day period?
A. 3/32
B. 1/4
C. 9/32
D. 5/16
E. 1/2
OA B
Source: Veritas Prep
Let R = rain and N = no rain. To have rain on at least three days in a row during a five-day period, we could have:BTGmoderatorDC wrote: ↑Wed Apr 01, 2020 5:15 pmIf the probability of rain on any given day is 50%, what is the probability that it will rain on at least three days in a row during a five-day period?
A. 3/32
B. 1/4
C. 9/32
D. 5/16
E. 1/2
OA B
Source: Veritas Prep
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