Marli has one bag of different colored, same-size chips. there are 4 blue chips, 5 red chips, and 3 black chips. what is the probability that she will pull a blue chip and without replacement pull another blue chip?

Hi there!

There are 12 total chips. The probability that she will pull a blue chip is 4/12, or 1/3. Without replacing the chip, there are now 11 chips total. The probability that she will pull a blue chip now, is 3/11. Then, we can multiply the two fractions together to find the probability that she will pull a blue chip and without replacement, pull another blue chip. The probability is 3/33, or 1/11.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!

First, think of what you know. you know that the number t the end of the equation will need to be subtracted because it is the money he lost from buying the lawn mower. and your first two weeks have negative profit, so that tells you that c and d are wrong. now you can plug any of the weeks into a and b to see which one works. i'll start with plugging week 1 into a.this isn't right because it says your answer for week one should be -90.so now we need to try the same thing with b.this one got you the right answer, (sometimes if you only check with one of the weeks multiple will work so you need to check with more of the weeks, but it worked out fine here)this means that b is the correct answer.let me know if you need more clarification. i hope this : )