# Question: Approximately 10 of people are left handed If two people are

Approximately 10% of people are left-handed. If two people are selected at random, what is the probability of the following events?

a. Both are right-handed.

b. Both are left-handed.

c. One is right-handed and the other is left-handed.

d. At least one is right-handed.

a. Both are right-handed.

b. Both are left-handed.

c. One is right-handed and the other is left-handed.

d. At least one is right-handed.

## Relevant Questions

Refer to Exercise. Suppose that three people are selected at random.a. Draw a probability tree to depict the experiment.b. If we use the notation RRR to describe the selection of three right-handed people, what are the ...A foreman for an injection-molding firm admits that on 10% of his shifts, he forgets to shut off the injection machine on his line. This causes the machine to overheat, increasing the probability from 2% to 20% that a ...All printed circuit boards (PCBs) that are manufactured at a certain plant are inspected. An analysis of the company’s records indicates that 22% of all PCBs are flawed in some way. Of those that are flawed, 84% are ...Three airlines serve a small town in Ohio. Airline A has 50% of all the scheduled flights, airline B has 30%, and airline C has the remaining 20%. Their on-time rates are 80%, 65%, and 40%, respectively. A plane has just ...A statistics professor believes that there is a relationship between the number of missed classes and the grade on his midterm test. After examining his records, he produced the following table of joint probabilities.a. ...Post your question