Answer:
Step-by-step explanation:
mean is found by adding the numbers and dividing the sum by the number while the median is the middle value of the list ordered in an ascending order
Answer:
1/9
Step-by-step explanation:
the probability of one blue marble is 1/3 so to find the probability of 2 marbles you multiply it by itself.
The answer is a, 21. 21x3 is 63. 63 + 1 = 64.