EM-2898
Single events and sample space
E Math · Secondary 4 · Hard · Single events and sample space
A bag contains only red and blue counters.
The probability of taking a red counter at random is .
(a) Write down the probability of taking a blue counter.
(b) If a counter is taken at random each day for 200 days, find the number of days a blue counter is likely to be taken.
The probability of taking a red counter at random is .
(a) Write down the probability of taking a blue counter.
(b) If a counter is taken at random each day for 200 days, find the number of days a blue counter is likely to be taken.
- (a) (b) 125
- (a) (b) 75
- (a) (b) 120
- (a) (b) 120
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