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inessss [21]
4 years ago
5

Hey can you please help me posted picture of question

Mathematics
1 answer:
Bingel [31]4 years ago
7 0
Total number of boys = 200
Number of left handed boys = 50

If a students is known to be a boy, the probability that he is left handed will be equal to = (Number of left handed boys) / (Total Number of boys)

So, If a students is known to be a boy, the probability that he is left handed will be = \frac{50}{200} = \frac{1}{4}

Thus, the correct answer is option B
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19: The difference between the temperature in Fair Banks and Barlow is 3°F

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