17% of students in a class have brown hair. If 6 students are chosen at random, what is the probability that exactly 3 have brow
n hair? (Write your answer as a percentage rounded to the nearest tenth.)
1 answer:
Answer:
6.8%
Step-by-step explanation:
the question has no information about class size (no. of student in class)
assume no. of student is infinite
P(3brown out of 6) = 6C3 * P(brown)^3 * P(not brown)^3
= 20 * 0.004913 * 0.695789
= 0.06837
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Given the information, you can only write an expression and simplify it:
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I hope I helped you with your solution! If you could give me brainliest, I would be very thankful!