ABSTRACT
Circle the correct answer.
Clever gamblers are able to use the “laws of chance” to select winning lottery numbers.
T F
The purchase of insurance is a type of “bet” that you hope to lose.
T F
When unusual events occur (e.g., you recover from a terminal illness), we can conclude that something other than luck was responsible.
T F
When taking a 5-alternative multiple choice test, you are as likely to get all of the questions correct just by guessing as you are to get all of the questions wrong just by guessing.
T F
Basketball players tend to shoot in streaks so that a player who has just made a basket is more likely to make a basket on her second throw than if she had just missed the basket.
T F
Your evil twin just took a college entrance exam and scored very, very low. If he takes it again, he will probably obtain an even lower score on his second try.
T F
Most people assess the risk of elective surgery (e.g., a “nose job”) as being safer than nonelective surgery.
T F
If a method of contraception has a 6% failure rate, then you would expect the same probability of getting pregnant in one year of use as you would in 10 years of use.
T F
Suppose that your friend plans to become a professional drummer and only 2% of all people who want to become professional drummers actually achieve this goal. In addition, suppose that he has “connections,” and 80% of all successful drummers have connections like his. Only 10% of unsuccessful drummers have the same sort of connections. This means that his probability of success would increase slightly above 2%.
T F
Differences between samples don’t mean that there are real differences between the groups being sampled unless the differences are statistically significant.
T F
