A
school survey found that 3 out of 10 students like pizza. If three students
are chosen at random with replacement, what is the probability that all three
students like pizza?
Solution
THIS IS AN INDEPENDENT EVENT. THE 1ST
CHOICE HAS NO ANY EFFECT FOR THE 2ND OR 3RD.
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Hence probability that all three students like pizza is 27/1000 .
TRY
THIS………..
A
school survey found that 3 out of 7 students like pizza. If three students are
chosen at random with replacement, what is the probability that all three
students like pizza?
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