Blog

In a large high school, a poll of students showed that 68% of students think that Mathematics is difficult, 37% think that Spanish is difficult, and 76% find at least one of these two subjects difficult. If a randomly selected student finds Spanish difficult, what is the probability that the student finds Mathematics difficult too?

No Country for Old Men critiques what aspect of Texas’s mythic frontier identity?

How does the film represent the limitations of Texas law enforcement?

Which character serves as a metaphor for unchecked violence in the absence of government order?

What object is used by Anton Chigurh as his signature method of killing?

The film takes place mostly in which U.S. state?

How can the film be interpreted as a warning about eroding civic institutions in Texas?

What profession does Ed Tom Bell hold in the film?

The diameter of a brand of tennis balls is approximately normally distributed, with a mean of 2.63 inches and a standard deviation of 0.03 inch. If you select a random sample of nine tennis balls, what is the probability that the sample mean is less than 2.62 inches? 

If n = 10 and ∏ = 0.70, then the standard deviation of the binomial distribution is