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www.citiprogra × "Chttps://www c × 5 Postings ×Y Marketing Spox" Jobs I MLS So Sports Jobs ×Y course Module× WeBrKMU×?Gsuppose Thet.* CSecure https//webwork.math.missouri.edu/webwork2/MU STAT 1200 LEC1-2-3/WBWK8/7/ Homework Sets WBWK8: Problem 7 WBWK8 Problem7 Grades Prev Up Next Answer Preview Problems 0.91 Problem 1 Problem 2 Problam 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 0.229 0.2304 At least one of the answers above is NOT correct. (2 pts) Suppose that, for students who are enrolled in college algebra, 74 percent are freshmen, 48 percent are female, and 31 percent are female and are freshmen. Your answers below should be entered as decimals and rounded to three decimal places. Display Options (a) One student will be selected at random. What is the probability that the selected student will be a freshman or female (or both)? View equations as: O MathJax images (b) One student will be selected at random. What is the probability that the selected student will not be a freshman? Show saved answers? Yes No Apply Options (c) Two students will be independently selected at random. What is the probability that both of the selected students will be female? Note: You can eam partial credit on this problem. Preview Answers Submit Answers 2010-07-31 064214.dcc sucker Gigging Que doc citiCompletionRepor pdf Show A

Explanation / Answer

Ans:

Given that

P(freshman)=0.74

P(female)=0.48

P(female and freshman)=0.31

a)P(freshman or female or both)=P(freshman)+P(female)-P(freshman and female)

=0.74+0.48-0.31=0.91

b)P(not freshman)=1-P(freshman)=1-0.74=0.26

c)P(both females)=P(female)*P(female)=0.48*0.48=0.2304

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