Mathematics, 02.11.2020 16:50 legrandschool1oxa0sd
It is known that a certain lacrosse goalie will successfully make a save 80% of the time. (Assume that all save attempts are independent.) Suppose that the lacrosse goalie attempts to make 12 saves. (Round answers to three decimal places.) (a) What is the probability that the lacrosse goalie will make at least 10 saves
Answers: 3
![P(X \ge 10 ) = [ ^{12}C_{10} * (0.80)^{10} * (1- 0.80)^{12-10}] + [ ^{12}C_{11} * (0.80)^{11} * (1- 0.80)^{12-11}] + [ ^{12}C_{12} * (0.80)^{12} * (1- 0.80)^{12-12}]](/tpl/images/0860/1512/1f421.png)
![P(X \ge 10 ) = [ 66 * 0.1073 * 0.04] + [ 12 * 0.0859 * 0.2] + [1* 0.0687} * 1]](/tpl/images/0860/1512/77ff1.png)
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It is known that a certain lacrosse goalie will successfully make a save 80% of the time. (Assume th...
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