From a barrel of colored marbles you randomly select 7 blue, 5 yellow, 8 red, 4 green and 6 purple marbles. Find the experimental probability of randomly selecting a marble that is not yellow. write your answer in simplest form. help please

25/30 = 5/6

To find the experimental probability of randomly selecting a marble that is not yellow, we need to calculate the total number of marbles that are not yellow and divide it by the total number of marbles.

The total number of marbles that are not yellow is obtained by adding the number of marbles of each color, except yellow:
Total number of marbles that are not yellow = (7 blue) + (8 red) + (4 green) + (6 purple) = 25 marbles

The total number of marbles in the barrel is obtained by adding the number of marbles of each color:
Total number of marbles = (7 blue) + (5 yellow) + (8 red) + (4 green) + (6 purple) = 30 marbles

Now, we can calculate the experimental probability:
Experimental probability = (Total number of marbles that are not yellow) / (Total number of marbles)
= (25 marbles) / (30 marbles)

To simplify the fraction, we can divide both the numerator and the denominator by 5:
Experimental probability = (5 * 5 marbles) / (5 * 6 marbles)
= 5/6

Therefore, the experimental probability of randomly selecting a marble that is not yellow is 5/6.

To find the experimental probability of randomly selecting a marble that is not yellow, we need to determine the total number of marbles that are not yellow, and then divide that by the total number of marbles.

First, let's calculate the total number of marbles that are not yellow. We have 7 blue, 8 red, 4 green, and 6 purple marbles, which adds up to a total of 25 non-yellow marbles.

Now, let's determine the total number of marbles. We have 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles, so the total number of marbles is 7 + 5 + 8 + 4 + 6 = 30 marbles.

To find the experimental probability, we divide the number of marbles that are not yellow (25) by the total number of marbles (30):

Experimental Probability = number of marbles that are not yellow / total number of marbles
= 25 / 30

To simplify this fraction, we can divide both the numerator and denominator by their greatest common divisor, which is 5:

25 / 30 = (25 ÷ 5) / (30 ÷ 5) = 5/6

Therefore, the experimental probability of randomly selecting a marble that is not yellow is 5/6.