Midterm Exam 1 Solution | Engineering Economy | ISYE 3025, Exams of Systems Engineering

Download Midterm Exam 1 Solution | Engineering Economy | ISYE 3025 and more Exams Systems Engineering in PDF only on Docsity! ABE ABE AM Ak ADE dike Ate Mig A 32 1 V. good 23 | Fee 99 Finy APWABLE ISyE 3027 -— Midterm Exam #1 AGC? Nae ee WE? A) -| Winter 1999 Ape? KEL ) 1. [24 points] Short Questions. ut} (a) 3 boys and 5 girls i at random. Find the probability that there is a girl in the 4th spot. J 2&2 5 (b) The events A, B, and C are independent with P(A) = 0.5, P(B) =Q2. (C) = 0.1. Find the probability that at least one of these events occurs. |, (g Y oC Kat): 36 (c) The letters of the word BUBBY are Tearranged at_random. What is the pro ability that the resulting word is also BUBBY? | 205 (4) A box contains 10 white (W), 9 black (B), and red (R) balls, We sclect 4 balls at Zz4 tof random without replacement. Find the probability of BRBW (in that order). ™ yg (e) A couple has 6 cle =-Find the probability that a - 5 e S , lO =| of ; O° 72° 72° HVC i, 3 are boys. | s - ] ii. the first 3 ale boys and the last 3 are girls. ; a15\ (f) A jury pool consists of 25 women and 17 mer: ong the women, 2 are Hispanic, Among the men, 3 are Hispanic. A jury of 12 people is selected at random. What is the probability that the j i. contains no women.