Question

Double checking my answers a-f and need help with g-j

2. Consider a city sponsored lottery that you select different numbers in any order C) (5 points) Lett be the number of winning wmber that you have, and Pr) be the probability of winning numbers. a) (2 points) How many ways can you select numbers 344 (a) 636 (b) (2 points) How many W Note: You Can you see I winning numbers mumbers at all time (c) (2 points) What is the probability of having exactly winning numbers? Notes You s eet immers at all time 10626 fe) 062 (d) (2 points) How many ways you select 3 winning members? Note You must select numbers at all time (c) (2 points) What is the probability of having exactly 3 winning numbers? Notei You must select Imbers at all time. 42 (h) (2 points) Use your calculator to find the mean . (c) 5313 (h) (1) (2 points Use your calculator to find the standard deviation 0. (2 points) What is the probability of having exactly 2 winning numbers? Note: You must select numbers at all time 0) (3 points) Use your calculator to find the exact value for the variance reduced fraction. in 0.00054 34 דר Page 2 of 4 Extra Credit 1 Total Points: 30 Page 3 of 1 Extra Credit Total 50

Answer 1

So Juhani P(x) A CA 20Co 24 C4 10 606 4 C3 200 40 5313 24 Ca 4₂ 2c, 190 24 CR 177) 4C, 2063 29 C2 760 1771 460 2004 1615 3542 24ca (1) Mean - Explx) = 4x + 3x 40 t... 0x 1615 10626 5313 3542 " Elx²) = {x Plx) = ax 1 e... 0x1615 10621 10.695 sida sid= VECI-E) 10.695) 4) variance - 100 = 10.983]

Please caract these answers, ed ways to choose & winning number wau 11 ACRX 200, 19) P (3 corrut sumber) = 80 - 90 106216 5313 A P( 2 winnig mutobed) = 4(q. 2012 24 C4 = 190 1777