Statistics I20805 marksNumerical: Probability of selectionConcepts of probability
Define independent and mutually exclusive events. Three groups of children 2 boys and 2 girls, 3 boys and 1 girl, 1 boy and 3 girls respectively. One child is selected at random from each group. Find the probability of selecting one boy and two girls.
Define independent and mutually exclusive events. Three groups of children 2 boys and 2 girls, 3 boys and 1 girl, 1 boy and 3 girls respectively. One child is selected at random from each group. Find the probability of selecting one boy and two girls. [5]
- Group 1: 2 boys, 2 girls (total 4) - Group 2: 3 boys, 1 girl (total 4) - Group 3: 1 boy, 3 girls (total 4) - One child selected at random from each group. - Required: $P(\text{1 boy and 2 girls})$ Mutually Exclusive Events: Two events cannot occur at the same time; occurrence of one excludes th...