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Homework: Chapter 5 Homework Score: 0 of 1 pt 5.4.34 9 or 10 (8 complete) An urn

ID: 3323847 • Letter: H

Question

Homework: Chapter 5 Homework Score: 0 of 1 pt 5.4.34 9 or 10 (8 complete) An urn contains seven blue balls and six yellows balls. f four balls are selected randomly without being replaced, what is the probability that of the balls selected, three of them will be blue and one of them will be yello? The probability that of the balls selected, three of them will be blue and one of them will be yellow is Round to four decimal places as needed.) 0 Enter your answer in the answer box andhen click Check Answer All parts showing clear All

Explanation / Answer

Total balls are 7+6=13, thus ways of selecting 4 balls is 13C4 or 13*12*11*10/4*3*2*1=25740

ways of selecting 3 blue and 1 yellow are 7C3*6C1=210

thus answer is 210/25740=0.008159