# 11.pdf - APUS CLE MATH302 B012 Win 20 Tests Quizzes MATH302...

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1.0/ 1.0 Points0.0/ 1.0 Points1.0/ 1.0 PointsWeek 3 Test Return to Assessment ListPart 1 of 6 - Binomial Distribution4.0/ 5.0 PointsQuestion 1 of 20A coin is flipped 30 times. What is the probability of getting exactly 15 heads? Round answer to 4 decimal places.
Question 2 of 20It is known that 20% of adult workers have a high school diploma. If a random sample of 10 adult workers is selected, what is the probability that 5 or more of them have a high school diploma? (That is, find P(X≥5) (keep 4 decimal places) Answer:
Question 3 of 20If random variable X has a binomial distribution with n=9 and P(success) =p= 0.4, find the standard deviation of X. (keep 4 decimal places) Answer:
Answer Key: 1.4697Feedback: in Excel,=SQRT(9*0.4*0.6)MATH302 B012 Win 20Tests & Quizzes Tests & Quizzes Page 1 of 8APUS CLE : MATH302 B012 Win 20 : Tests & Quizzes2/26/2020...
1.0/ 1.0 PointsAn unprepared student takes a 10 question TRUE/FALSE quiz and ended up guessing on all the problems. Find σ. Round answer to 4 decimal places. Answer:
1.0/ 1.0 PointsQuestion 4 of 20An unprepared student takes a 10 question TRUE/FALSE quiz and ended up guessing on all the problems. Find σ. Round answer to 4 decimal places. Answer:
Question 5 of 20It is known that 50% of adult workers have a high school diploma. If a random sample of 8 adult workers is selected, what is the probability that less than 6 of them have a high school diploma? (That is, what is P(X<6) (keep 4 decimal places) Answer:
Part 2 of 6 - Contingency Tables1.0/ 1.0 Points
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