SOLUTION: a test found that 4 of every ten pizzas ordered from a pizza place received an incorrect order. I ordered 4 pizzas for lunch.
What is the probability that:
a. they are all cor
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Question 496005: a test found that 4 of every ten pizzas ordered from a pizza place received an incorrect order. I ordered 4 pizzas for lunch.
What is the probability that:
a. they are all correct as ordered
b. The first three are correct and the 4th is not
c. all four are incorrect
d. two are correct and two are not (in any order)
e. at least one is incorrect.
Thanks!
Answer by chessace(471) (Show Source): You can put this solution on YOUR website!
a. 0.6^4
b. 0.6^3 * 0.4
c. 0.4^4
d. 0.6^2 * 0.4^2 * [pick2from4 = 6]
e. 1 - #a (above).
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