bag contains 60 red or black markers. Each student in Mr. Jones’s class selects a random sample of 15 markers from the bag, counts the number of black markers, and returns the sample to the bag. What is a reasonable estimate for the number of black markers in the bag? Show your work.

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 value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?