It is known that a certain lacrosse goalie will successfully make a save 91.83 percent of the time. Suppose that lacrosse goalie attempts to make 11 saves. A) What is the probability that the lactose goalie makes 8 saves B) Let x be the random variable which denotes the number of saves that are made by the lacrosse goalie. Find the expected value and standard

It is known that a certain lacrosse goalie will successfully make a save 91.83 percent of the time. Suppose that lacrosse goalie attempts to make 11 saves. A) What is the probability that the lactose goalie makes 8 saves B) Let x be the random variable which denotes the number of saves that are made by the lacrosse goalie. Find the expected value and standard

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

It is known that a certain lacrosse goalie will successfully make a save 91.83 percent of the time. Suppose that lacrosse goalie attempts to make 11 saves.

A) What is the probability that the lactose goalie makes 8 saves

B) Let x be the random variable which denotes the number of saves that are made by the lacrosse goalie. Find the expected value and standard deviation of the random variable.

E(X)=

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