Question

Someone please help asap.
All I need is the equations and I can find the answers myself.

A box of marbles contains 15 blue marbles, 5 green marbles and 6 orange marbles.

What is the probability of selecting a blue marble?
What are the odds of selecting a blue marble?
What is the probability of selecting a blue marble followed by an orange marble (without replacement)?
What is the probability of selecting a blue marble followed by an orange marble (with replacement)?
Is this an example of experimental or theoretical probability? Explain.

Answer 1

P(blue marble) = number of blue marbles in the box / total number of marbles in the box

Answer 2

for probability of 2 events in this case the probabilities of individual events are multitplied

Answer 3

Oh okay thank you

Answer 4

yw