Probability Basic Concepts

Probability Basic Concepts

Multiple Choice

A sports announcer claims that Sheila has a 90% chance of breaking the world record in the100 -yard dash.

• Intuition

• Relative frequency/ experience

• Equally likely outcomes

Multiple Choice

Henry figures that if he guesses on a true–false question, the probability of getting it right is 50% .

• Intuition

• Relative Frequency/ Experience

• Equally likely outcomes

Multiple Select

The Right to Health lobby claims that the probability of getting an erroneous medical laboratory report is 0.40, based on a random sample of 200 laboratory reports, of which 80 were erroneous.

• Intuition

• Relative frequency/ Experience

• Equally likely outcomes

Fill in the Blank

A random sample of students at Tec de Monterrey were surveyed and it was determined that wear glasses or contact lenses. Estimate the probability that a Tec de Monterrey student selected at random wears corrective lenses.

Fill in the Blank

Professor Gutierrez is making up a final exam for a course in literature of the southwest. He wants the last three questions to be of the true–false type. To guarantee that the answers do not follow his favorite pattern, he lists all possible true–false combinations for three questions on slips of paper and then picks one at random from a hat............... Finish listing the outcomes in the given sample space.TTT FTT TFT TTF FTF TFF (Separate answers with a space)