If I pick a red ball 10 times out of 30 times from a bag that contains red and black balls, then the probability of picking a black ball is:
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Answer:
The answer is 10 times of black balls the answer is wrong it just guessed it because I want points
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Answer:
2/3
Step-by-step explanation:
Probability = no of favorable outcomes/total number of outcomes
probability of picking red balls = 10/30 = 1/3
So, the probability of picking a black ball = 1 - 1/3
= 2/3
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