Of the customers who enter a store for stereo speakers, only 24% make purchases. if 38 customers enter the showroom tomorrow, find the approximate probability that at least 10 will make purchases.

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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.

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?