Please help what are the answers to these questions? WeBWorK : 207-Parke-S × M A
ID: 3208410 • Letter: P
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Please help what are the answers to these questions?
WeBWorK : 207-Parke-S × M Assignment C Rent/Buy Textbooks on Che+ LTX , o math mc.eu/ebwork2 207 Parke, Spring 2017/Tno a Chapter4 Probability 7/7effectn euser-garnold&user;=rjamo d8 key: srd KgTnTdeO5G math mc.edu/webwork2/207-Parke Spring 2017/Triola_Chapter4 Probability/7/reffectiveUser-rjarnold&user-rjamold;&key-srdvKqTn; TdeOVW5xG Phone Arena Cnet a. Amazon Rap Genius YouTube Rivals reddit MXMMAG WORLDSTARHIPHOP Watch cartoons MLA Basic GearBest Online WeBWorK @MAA MATHEMATICAL ASSOCIATION OF AMERICA Logged in as rjarnok log Cut webwork 20z parke spring_2017triola_chapter4 prohability MAIN MENU Coursos Homework Sets Inola Chaptera Probability Triola Chapter4 Probability: Problem 7 Problem7 Previous Problem List Next (1 point) Suppose that A and are two events for which P A) = 0.22. P B) A P(A and B) = B. P(A or B)- C P(AB)- User Settings Grades 0.69, and P BA 0.37 Find each of the following Problems Problem 2V Problem 3 Problem4 Problerm 5 Problem iv Note: You can eam pertiei credit on this prabie0 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Preview My Answers Subrnit Answers You have attempted this problem 2 times. Your overall recorded score is 0% You have unliited atlepts remaining 6:42 PM EO Ask me anything 2/182017Explanation / Answer
7) a) P(A and B) = P(B | A) * P(A)
= 0.37 * 0.22
= 0.0814
b) P(A or B) = P(A) + P(B) - P(A and B)
= 0.22 + 0.69 - 0.0814
= 0.8286
c) P(A | B) = P(A and B) / P(B)
= 0.0814 / 0.69
= 0.118
11) total digits = 8
P(at least one 7) = 1 - P(no 7)
= 1 - 98 / 108
= 1 - 0.43
= 0.57
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