1. In testing a florescent light bulb, it is found that 20% of the light bulb fail tocomplete the test run. For the next 7 light bulbs tested, find the probability 3 lightbulbs fail. What are E[x] and V(X)?2. A deck of cards contains 20 cards: 6 red cards and 14 black cards. 5 cards are drawnrandomly without replacement. What is the probability that exactly 4 red cards aredrawn? 3. If electricity power failures occur according to a Poisson distribution with an averageof 2 failures over a 4 weeks, what is the probability that there will be 4 failure duringa particular week. What is E[x] are V(X)?4. Assume the reaction time of a teenage driver are normally distributed with a mean of0.53 seconds and a standard deviation of 0.11 seconds. What is the probability that ateenage driver chosen at random will have a reaction time between 0.4 and 0.6seconds.

Name: 1. In testing a florescent light bulb, it is found that 20% of the li
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Description: 1. In testing a florescent light bulb, it is found that 20% of the light bulb fail tocomplete the test run. For the next 7 light bulbs tested, find the probability 3 lightbulbs fail. What are E[x] and V(X)?2. A deck of cards contains 20 cards: 6 red

(2) Given Information: A deck of cards contains 20 cards: Red cards = 6 and Black cards = 14 5 cards…

Answered: 2. A deck of cards contains 20 cards: 6…

Math

Probability

2. A deck of cards contains 20 cards: 6 red cards and 14 black cards. 5 cards are drawn randomly without replacement. What is the probability that exactly 4 red cards are drawn?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 32E

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