A bag contains 5 white and 3 black balls. Two balls are drawn at random one after the other with replacement. What is the probab ility both balls are drawn is black?
1 answer:
Answer:
9/64
Step-by-step explanation:
Given,
White balls = 5
Black Balls = 3
Total Balls = 5 + 3 = 8 balls
P (1st black ball) = 3/8
If there is replacement, P (2nd black ball) = 3/8
P (Both balls are black)
= P (1st black ball) x P(2nd black ball)
= 3/8 x 3/8
= 9/64
You might be interested in
I believe it is transitive
Answer:
Step-by-step explanation:
Answer:
162 student play sports
Step-by-step explanation:
.3 represents 30 precent, so multiply 540 by .3 to get your awnser this is because the .3 is less than one so the multiplying will not raise the number but lower it to 162
Divide the 5% of Spanish by 40% male:
0.05 / 0.40 = 0.125
Change to a percent by multiplying by 100:
0.125 x 100 = 12.5%
The answer is a. 12.5%
Answer:
100
Step-by-step explanation:
20 times 100 equals 2000
