please answer ASAP

Rhee and Pamela are two of the five members of a band. Every week, the band picks two members at random to play on their own for five minutes. What is the probability that Rhee and Pamela are chosen this week?

Without looking, Tammy takes a marble out of a bag that contains 10 red marbles, 15 green marbles, and 25 blue marbles. She records its color and returns the marble to the bag. If Tammy repeats the proess 90 times, how many times can she expect to pull a...

I have 2 questions that i need help on, please help! Thank you and God bless you. 1. A shoebox holds a number of disks of the same size. There are 5 red, 6 white, and 7 blue disks. You pick out a disk, record its color, and return it to the box. If you re...

Ohh ok thank you! God bless you

Wait why times 1/4?

Ohh ok, thank you!!!

Thank you very much, I kindly appreciate you both. God bless you both.