iPad 6:59 PM 34% . drive.google.com mens shoe store rome-Google Search isscm-fa1
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iPad 6:59 PM 34% . drive.google.com mens shoe store rome-Google Search isscm-fa17- mt1 exam.pdf-Google Drive 19. The average bear population in a park is 1,000 with a standard deviation of 200. What is the probability that the number of bears in a given year will be more than 1,300 bears? A. 86.6% B. 43.3% S6 20. What is the probability of a result greater than 3 on both of 2 roles of a 6 sided die? A. 2596 B. 5096 C. 100% 21. A couple plans to have 3 children. The probability of having at least 1 girl is: A. 13% B. 50% C. 88% 22. A family already has 4 girls. The probability that the 5th child is a boy is: A. 2% B. 2096 C. 5096 23. What is the probability of GBGBG in that order a family of 5 children. B. 31.3% C. 50.0% 24. What is probability of 3G and 2B in any order in family of 5 children. B. 31.3% C. 50.0%Explanation / Answer
20)
probability of getting more than 3 = favourable cases(4,5,6)/total cases(1,2,3,4,5,6)
=3/6
=1/2
for two roles (1/2)*(1/2)=1/4
=0.25 or 25% (option A)
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