There are 90 students in a physics class. The instructor must choose two students at random.
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Mathematics, 11.02.2020 20:28 Reijected
There are 90 students in a physics class. The instructor must choose two students at random.
Students in a Physics Class
Academic Year Males Females
Freshmen 8 13
Sophomores 2 10
Juniors 18 2
Seniors 9 5
What is the probability that a sophomore male and then a junior male are chosen at random? Express your answer as a fraction or a decimal number rounded to four decimal places.
a. 8/742
b. 6/30
c. 6/737
d. 8/21
Answers: 3
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