Abag contains 3 red marbles, 5 yellow marbles, and 4 blue marbles. one marble is chosen at random. what is the probability that the chosen marble will be blue?
a. 1/12
b. 1/4
c. 1/3
d. 3/4
fassst ! < 3

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

What is the solution set of the quadratic inequality x^2-5< or equal to 0

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?