OpenStudy (redbubbles):
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.
OpenStudy (welshfella):
P(blue marble) = number of blue marbles in the box / total number of marbles in the box
OpenStudy (welshfella):
for probability of 2 events in this case the probabilities of individual events are multitplied
OpenStudy (redbubbles):
Oh okay thank you
OpenStudy (welshfella):
yw
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