There are 35 marbles in a bag: 9 blue marbles, 8 green marbles, 4 red marbles, 8 white marbles, and 6 yellow marbles. Find P(red). Write the probability as a fraction in simplest form, a decimal, and a percent

Question

4
,0.129, 12.9%
31
,
,0.114, 11.4%
35
,0.143, 14.3%
3
,0.086, 8.6%
35

Answer 1

The probability of selecting a red marble is 4 out of 35.

As a fraction in simplest form:
P(red) = 4/35

As a decimal:
P(red) = 0.114

As a percent:
P(red) = 11.4%

Answer 2

A number cube with the numbers 1 through 6 is rolled. Find P(number is greater than or equal to 3).
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Answer 3

There are 4 numbers greater than or equal to 3 on a number cube (3, 4, 5, and 6) out of a total of 6 possible outcomes.

Therefore, the probability of rolling a number greater than or equal to 3 is 4/6 or simplifying it 2/3.

So P(number is greater than or equal to 3) = 2/3