The scores of adults on an IQ test are approximately normal…

The scores of adults on an IQ test are approximately normal with a mean of 100 and standard deviation 15.  Adults only qualify for membership into the MENSA organization if they score in the top 2.5%.  What test score qualifies an adult for membership into MENSA?

Refer to the following table that shows the results from a s…

Refer to the following table that shows the results from a survey of 1200 high school teachers when asked what his or her major was in college. What is the probability that a randomly selected teacher is female and majored in education?   Men Women Totals Mathematics 20 14 34 Biology 12 15 27 Business 5 4 9 Chemistry 10 10 20 Engineering 8 3 11 Education 336 382 718 Other 181 200 381 Totals 572 628  

Baptists and Methodists opposed the selling and consumption…

Baptists and Methodists opposed the selling and consumption of alcohol because they were at their hearts old Puritans. As the journalist H.L. Mencken once said about Puritans, “Puritanism: The Haunting fear that someone, somewhere, may be happy.” Baptists and Methodists were dour killjoys. 

In the late 19th century, most learned Texans believed there…

In the late 19th century, most learned Texans believed there would be two great cities in Texas. The debated about the interior city, but were satisfied that this other city would be the premier and wealthiest city in Texas because it had been so for decades. What is that sure bet of a city?