Lecture05 - STAT 350 L ECTURE 4 A NNOUNCEMENT Exams Date Exam 1 Wednesday Exam 2 Thursday Time 6:30 PM – 7:30 PM Place LYNN 1136 You may bring 1

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Unformatted text preview: STAT 350 L ECTURE 4 A NNOUNCEMENT Exams Date: Exam 1: Wednesday, February 16 2011 Exam 2: Thursday, April 07 2011 Time: 6:30 PM – 7:30 PM Place: LYNN 1136 You may bring: 1 page (8 in x 11 in) single sided handwritten crib sheet Calculator: same calculator policy as SAT test ( http://sat.collegeboard.com/register/sat-test-day-checklist ) o WEDNESDAY (JAN 26) – Lecture (not lab) o FRIDAY (Jan 28) – Homework 2 due & quiz E XAMPLE Suppose we know that for a particular brand of light bulb, the chance that a randomly selected light bulb is defected is 0.1(i.e., defect rate is 0.1). Now we check a batch of 4 of such light bulbs What is the chance that we get no defected ones? What is the chance that we get more than 3 defected? What is the chance that we get less than 3 defected ones? E XAMPLE Suppose we know that for a particular brand of light bulb, the chance that a randomly selected light bulb is defected is 0.1(i.e., defect rate is 0.1). Now we check a batch of 4 of such light bulbs Solution: Let X be the number of defective bulbs What is the chance that we get no defected ones? P(X=0) = (0.9) 4 What is the chance that we get more than 3 defected? P(X=4) = (0.1) 4 What is the chance that we get less than 3 defected ones?...
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This note was uploaded on 02/06/2012 for the course STAT 350 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

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Lecture05 - STAT 350 L ECTURE 4 A NNOUNCEMENT Exams Date Exam 1 Wednesday Exam 2 Thursday Time 6:30 PM – 7:30 PM Place LYNN 1136 You may bring 1

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