What is the probability of drawing a second Redball, given that the first ball drawn was red?
A. 69/80
B. 8/15
C. 21/80
D. 27/160
Answer:
B.
Step-by-step explanation:
The probability of selecting a red and then a red without replacement is as follows:
This equals the given probability of
More simply, we have the equaiton:
So,
Answer: 8/15
Step-by-step explanation:
Test
Answer:
326 feet of fencing
Step-by-step explanation:
plato gang
but if you really want:
50 x 4 = 200ft of fencing for the big garden
She wants 3 square gardens with 10.5 feet on each side. Therefore;
4 x 10.5 = 42 feet each rose garden
42 x 3 = 126 feet
126 (small gardens) plus the 200 feet from the big garden = 326 feet