23 elm 1 28 50 = 1 1 1/3 1:1 Aq 50 4. Four cards are drawn from a standard deck of 52-cards without replacement. Find the probability that; (a) Three of thaem are black. (b) Two of them are diamond. (c) One is a club and two are hearts.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

In the diagram of circle o, what is the measure of zabc?