The probability of meeting a random person who has the same birthday as you is 1/365 , which is approximately 0.27%. What is the probability that the 25th person you meet is the first person who has the same birthday as you? a) 0.27%
b) 0.14%
c) 0.25%
d) 0.03%

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

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.

Why is x= 4 a solution to the proportion 14/x 56/1 6