MATH 221 EXERCISE 3A FA 09

MATH 221 EXERCISE 3A FA 09 - M ATH 2 21 Statistics for...

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MATH 221 Statistics for Decision - Making Exercise Set 3A Student Name _______________________________________ Section ___ Date ________ Topics in Probability Instructions Solve each of the following exercises.  Show all work when necessary.   (1) In a particular manufacturing process, the probability of a Type A defect is 0.15 , the  probability of a Type B defect is 0.25 and the probability of having both types of defects is  0.05 .   What is the probability of having neither type of defect?  Express your answer as  a decimal number. Hint: use a two - circle Venn diagram to assist you in solving this exercise. The probability of having neither type of defect is __________ . (2) A survey of a group of students was conducted at a certain institute of technology and the  results of which are shown below.  The students who participated in the survey were  asked what academic year they are in and whether or not they are employed.  Those 
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MATH 221 EXERCISE 3A FA 09 - M ATH 2 21 Statistics for...

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