Mathematics, 07.04.2020 17:55 nkh69
David's chance of making a free throw is 80%. In a game, he takes 10 free throws. What is the probability he makes 8 or fewer free throws out of the 10? Please leave your answer in combinations, products powers and sums. Please try to make your expression reasonably succinct.
Answers: 3
![P(X\leq 8)= 1- P(X8) = 1-P(X\geq 9)= 1-[P(X=9)+P(X=10)]](/tpl/images/0586/6576/b2a4e.png)
![P(X\leq 8)=1-[10(0.8)^1 (1-0.8)^{1} + (0.8)^{10}]](/tpl/images/0586/6576/b6ee5.png)
![P(X\leq 8)=1-[10(0.8)^9 (1-0.8)^{1} + (0.8)^{10}]](/tpl/images/0586/6576/e6497.png)
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David's chance of making a free throw is 80%. In a game, he takes 10 free throws. What is the probab...
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