There are 10C8 ways to choose the 8 people who recognize. So,
10C8 * .80^8 * 0.2^2
a specific brand name has an 80 recognition rate 10 people are randomly surveyed in an area to determine if the rate is valid. what is the probability that exactly 8 people recognize the brand?
The answer is 0.302 but how do you solve it?
2 answers
Yo I think that answer was wrong :skull:
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