Questions from Statistics Principles

Q: In placebo- controlled clinical trials for the drug Viagra, 734

In placebo- controlled clinical trials for the drug Viagra, 734 subjects received Viagra and 725 subjects received a placebo (subjects did not know which treatment they received). The table below summ...

Q: The following is a quote by Pierre-Simon Laplace: “

The following is a quote by Pierre-Simon Laplace: “To discover the best treatment to use in curing a disease, it is sufficient to test each treatment on the same number of patients, while keeping all...

Q: A friend of yours regularly plays the lottery but has never won

A friend of yours regularly plays the lottery but has never won. She says that she feels really good about this weekend’s drawing because she is due for a winning ticket. Explain the flaw in your frie...

Q: Explain the Law of Large Numbers. How does this law apply

Explain the Law of Large Numbers. How does this law apply to gambling casinos?

Q: In computing classical probabilities, all outcomes must be equally likely.

In computing classical probabilities, all outcomes must be equally likely. Explain what this means.

Q: Describe what an unusual event is. Should the same cutoff always

Describe what an unusual event is. Should the same cutoff always be used to identify unusual events? Why or why not?

Q: You are planning a trip to a water park tomorrow and the

You are planning a trip to a water park tomorrow and the weather forecaster says there is a 70% chance of rain. Explain what this result means.

Q: Describe the difference between classical and empirical probability.

Describe the difference between classical and empirical probability.

Q: In a September 19, 2010, article in Parade Magazine written

In a September 19, 2010, article in Parade Magazine written to Ask Marilyn, Marilyn vos Savant was asked the following: Four identical sealed envelopes are on a table, one of which contains $100. You...

Q: Sixty patients with carpal tunnel syndrome are randomly divided into two groups

Sixty patients with carpal tunnel syndrome are randomly divided into two groups. One group is treated weekly with both acupuncture and an exercise regimen. The other is treated weekly with the exact s...