The number of chips of any particular color divided by the total number of chips is the probability. If there is replacement, the total number of chips remains the same.
To find the probability of 2 or more events all occurring, multiply the probability of the individual events.
I hope this helps.
A bin contains 8 blue chips, 5 red chips, 6 green chips, and 2 yellow chips.
Question: drawing a red chip, replacing it, then drawing a green chip.
4 answers
5 6
- x - = 30 10
21 21 -- -> --
441 147
there you go(:
- x - = 30 10
21 21 -- -> --
441 147
there you go(:
look at that like a fractiion byy the waay!!
A bin contains 8 blue chips, 5 red chips, 6 green chips, and 2 yellow chips
Drawing a red chip, replacing it, then drawing a green chip.
Selecting two yellow chips without replacement
Choosing green, then blue, then red without replacing each chip
Drawing a red chip, replacing it, then drawing a green chip.
Selecting two yellow chips without replacement
Choosing green, then blue, then red without replacing each chip
1 answer