After the 3rd pick we have: 4 white, 3 red and 8 black marbles.
The probability that the 4th marble is black is:
P ( Black ) = 8 / 15 = 0.5333
After the 4th pick we have: 4 white, 3 red and 7 black marbles.
P ( Red or Black ) = 10 / 14 = 5 / 7 = 0.7143
Answer:
There is no question.
Step-by-step explanation:
Answer:
Choice C: 6.23
Step-by-step explanation:
=
-----> cross multiply
5(124.50) = 100x
622.5 = 100x

6.225 = x
6.225 rounded to the nearest hundredth is 6.23
She earned 6.23 commission.
Answer:
a=4, k=2, and b= -pi/4
Step-by-step explanation:
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