Suppose that a class contains 15 boys and 30 girls, and that 10 students are to be selected at random for a special assignment.
Find the probability that exactly 3 boys will be selected.
1 answer:
15C3 x 30C7 / 45C10 = 455 * 2035800 / 3190187286
926289000 / 3190187286 = 0.29035568
= about 29%
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it is L x W x H
Step-by-step explanation:
I’m pretty sure it’s 370 bc
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and 2 and a half hours, so 100 for each hour.
100+100+50= 250
250+120=370!!
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64 2/7
Step-by-step explanation:
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Step-by-step explanation:
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