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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Since side BC must equal FE, x - 13 = 20. Therefore x = 33
Perimeter is 20 and the area is 25
Answer:
False
Step-by-step explanation:
For Henry: 4 out of 9 is equal to 4 divided by 9. That gives you approximately 0.444. Multiply that by 100 to get the percentage and you get 44.4%.
Henry: 44.4%
Michelle 45%
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