Consider the experiment of tossing a fair coin three times and observing the number of heads that result (x = number of heads). what is the standard deviation for this distribution?

The u. s. stock market has returned an average of about 9% per year since 1900. this return works out to a real return (i. e., adjusted for inflation) of approximately 6% per year. if you invest $100,000 and you earn 6% a year on it, how much real purchasing power will you have in 30 years?

Consider two similar industries, portal crane manufacturing (pcm) and forklift manufacturing (flm). the pcm industry has exactly three incumbents with annual sales of $800 million, $200 million and $100 million, respectively. the flm industry has also exactly three incumbents, with annual sales of $500 million, $450 million and $400 million, respectively. which industry is more likely to experience a higher level of rivalry?

Markets and competition in a perfectly competitive market, all producers sell identical goods or services. additionally, there are many buyers and sellers. because of these two characteristics, both buyers and sellers in perfectly competitive markets are pricetakers . true or false: the market for lettuce does exhibit the two primary characteristics that define perfectly competitive markets. true false