Week 3 Test.pdf - 7/12/2020 APUS CLE : MATH302 D008 Spr 20...

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7/12/2020APUS CLE : MATH302 D008 Spr 20 : Tests & Quizzes1.0/ 1.0 PointsWeek3 TestReturn to Assessment ListPart 1 of 6 - Binomial Distribution5.0/ 5.0 PointsQuestion 1 of 20Approximately 8% of all people have blue eyes. A random sample of 20 people is selected, findμ.MATH302 D008 Spr 20Tests & QuizzesTests & Quizzes
1.0/ 1.0 PointsFeedback:20*.08Question 2 of 20It is known that 20% of adult workers have a high school diploma. If a random sample of 10 adultworkers is selected, what is the probability that 5 or more of them have a high school diploma? (That is, find P(X5)
1.0/ 1.0 PointsAnswer Key:0.0328|.0328Feedback:P(x= 1 - P(x, in Excel=1-BINOM.DIST(4,10,0.2,TRUE)Question 3 of 20An unprepared student takes a 10 question TRUE/FALSE quiz and ended up guessing on all theproblems. Findσ
7/12/2020APUS CLE : MATH302 D008 Spr 20 : Tests & Quizzes1.0/ 1.0 PointsQuestion 4 of 20If random variable X has a binomial distribution with n=9 and P(success) =p= 0.4, find the standardFeedback:in Excel,=SQRT(10*0.5*0.5)
2/91.0/ 1.0 PointsPart 2 of 6 - Contingency Tables1.0/ 1.0 Points
1.0/ 1.0 PointsQuestion 5 of 20Approximately 10% of all people are left-handed. Out of a random sample of 15 people, what is the

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