Answer:
18 red marbles
Step-by-step explanation:
Because the ratio of yellow marbles to red marbles is 1:6 in the population, the expected number of red marbles is 6 times the number of yellow marbles in the representative sample. there should be 18 red marbles.
Square root of 27.
3^(3/2) is the same as square root of 3 cubed, which is 27. so square root of 27.
