Solution:
A boy has 2 red, 4 yellow and 5 green marbles. In how many ways can the boy arrange the marbles in a line if:
a) Marbles of the same color are indistinguishable?
Answer:
Explanation:
Number of red marbles = 2
Number of yellow marbles = 4
Number of green marbles = 5
Therefore, the total number of marbles is = 2+4+5 =11
Since the marbles of the same color are indistinguishable, hence the number of possible arrangements is:
b) All marbles have different sizes.
Answer:
Explanation:
Since all the marbles have different size, therefore, the number of possible arrangements is:
MATHEMATICAL ASSOCIATION OF AMERICA webwork / mat-521-spring-2018-griffin / homework-6 / 7 Homework 6: Problem 7 Previous Pr (2 points) Let X~Bin(5,0.4) Find E(7*) List Next ms You have attempted this problem 0 times You have 10 attempts remaining Page generated
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