There are 30 Major League Baseball teams in the National League. Five of these teams will make the playoffs at the end of the season. The number of unique groups of teams that can make the playoffs is ________.
A) 142,506
B) 252,640
C) 752,988
D) 17,100,720
Question 2
According to the IRS, 1.1 of tax returns will be audited next year. A random sample of 40 tax returns was selected.
Use the Poisson distribution to approximate the binomial distribution to determine the probability that none of these tax returns will be audited.A) 0.2870
B) 0.3264
C) 0.4785
D) 0.6440