three-subject-group-are-to-be-formed-randomly-by-15-students-including-3-girls-under-the-condition-that-each-groups-consist-5-students-and-each-student-attends-only-one-group-flnd-the-probabilitie

FacebookTweetPin

Question Number 131635 by liberty last updated on 07/Feb/21

$$$$$$\mathrm{three}\mathrm{subject}\mathrm{group}\mathrm{are}\mathrm{to}\mathrm{be}$$$$\mathrm{formed}\mathrm{randomly}\mathrm{by}15\mathrm{students}$$$$\left(\mathrm{including}3\mathrm{girls}\right)\mathrm{under}\mathrm{the}$$$$\mathrm{condition}\mathrm{that}\mathrm{each}\mathrm{groups}$$$$\mathrm{consist}5\mathrm{students}\mathrm{and}\mathrm{each}$$$$\mathrm{student}\mathrm{attends}\mathrm{only}\mathrm{one}\mathrm{group}.$$$$\mathrm{flnd}\mathrm{the}\mathrm{probabilities}\mathrm{that}\mathrm{of}\mathrm{the}$$$$\mathrm{following}\mathrm{events}\left(1\right)\mathrm{there}\mathrm{is}$$$$\mathrm{exactly}\mathrm{one}\mathrm{girl}\mathrm{in}\mathrm{each}\mathrm{group}\left(2\right)$$$$\mathrm{the}3\mathrm{girls}\mathrm{attend}\mathrm{the}\mathrm{same}\mathrm{group}$$

Terms of Service
Privacy Policy
Contact: info@tinkutara.com

FacebookTweetPin