Some schools have made efforts to change their school nicknames and mascots so as not to offend various groups that might have been negatively portrayed by these mascots and nicknames. Do you think that schools and teams have an obligation to take such actions? Or should teams be allowed to retain their traditional nicknames and mascots?

How many colobus males are needed to effectively guarantee a successful defense against chimpanzees?

Why did astronaut James Lovell declare the Apollo 13 mission “a successful failure”?

How many different soccer teams consisting of 11 players can be formed from 18 players?

(a) To what lands did revolution spread in 1830?

(b) Were these revolutions successful? Explain.

Let x be a random variable that represents the percentage of successful free throws a professional basketball player makes in a season. Let y be a random variable that represents the percentage of successful field goals a professional basketball player makes in a season. A random sample of n = 6 professional basketball players gave the following information

$$\begin{array}{c|cccccc} \hline x & 67 & 65 & 75 & 86 & 73 & 73 \\ \hline y & 44 & 42 & 48 & 51 & 44 & 51 \\ \hline \end{array}$$

Find the predicted percentage $\hat{y}$ of successful field goals for a player with x = 70% successful free throws.

In how many ways can ten players be divided into first and second teams of five members each?

Every spring, the NCAA men’s basketball tournament starts with 64 teams. After two rounds, it is down to the Sweet Sixteen, and after two more rounds, it is reduced to the Final Four. Once 64 teams are selected (but not yet put in brackets), how many possible scenarios are here for the Sweet Sixteen?

How successful were European attempts to establish missions and trade in Ming and Qing China?

What do you think Laird is trying to accomplish in her essay? Is she successful?

Explain how the diversity of angiosperms has helped them be more successful than gymnosperms.

Why were the Dutch so successful in establishing a trading empire in the Indian Ocean?

A financial manager made two new investments—one in the oil industry and one in municipal bonds. After a one-year period, each of the investments will be classified as either successful or unsuccessful. Consider the making of the two investments as an experiment.

Let $O =$ the event that the oil industry investry investry investry investry investry investry investry investry in successful and $M =$ the event that the municipal bond investment is successful. List the sample points in $O$ and in $M .$

Many people believe that the NBA was more focused on offense in the 1980 s and more focused on defense in the 1990s. How much greater was the ABILITY to score in the 1980s compared to the 1990s for NBA teams? Here are some summary statistics and graphs to compare these distributions.

a) Briefly compare these distributions.

b) Calculate a 95% confidence interval for the difference in the ABILITY to score for NBA teams in 1985 and 1995.

c) Interpret the confidence interval in context.

d) Does the interval provide convincing evidence that NBA teams had a greater ABILITY to score in 1985 than 1995? Explain.