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There are 35 students in a class of whom 20 are boys and 15 are girls. From these students one is chosen at random.
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There are 35 students in a class of whom 20 are...
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Nov 23, 2021
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Education
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JackTerrance
There are 35 students in a class of whom 20 are boys and 15 are girls. From these students one is chosen at random. What is the probability that the chosen student is a (i) boy, (ii) girl? Select the correct answer from above options
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answered
Nov 23, 2021
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JackTerrance
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Total numbers of students = 35 Number of girls = 15 Number of boys = 20 (i) Numbers of favorable outcome = 20 P(choosing a boy) = 20/35 = 4/7 (ii) Numbers of favorable outcome are= 15 P(choosing a girl) = 15/35 = 3/7
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