Question

PLEASE I NEED ANSWER OF THIS SOLUTION ASAP WITHIN 20 MINUTES KINDLY!

1:A group consists of an equal number of men and women. Of this group 20% of the men and 50% of the women are unemployed. If a person is selected at random from this group, the probability of the selected person being employed is----?

2:A box contains 2 washers, 3 nuts and 4 bolts. Items are drawn from the box at random one at a time without replacement. The probability of drawing 2 washers first followed by 3 nuts and subsequently the 4 bolts is-----?

3:The probability that a student knows the correct answer to a multiple-choice question is 23. If the student does not know the answer, then the student guesses the answer. The probability of the guessed answer being correct is 14. Given that the student has answered the question correctly, the conditional probability that the student knows the correct answer is----?

Answer 1