# Question: Suppose all the days of the week are equally likely

Suppose all the days of the week are equally likely as birthdays. Alicia and David are two randomly selected, unrelated people.

a. What is the probability that they were both born on Monday?

b. What is the probability that Alicia OR David was born on Monday?

a. What is the probability that they were both born on Monday?

b. What is the probability that Alicia OR David was born on Monday?

## Answer to relevant Questions

In California, about 92% of teens who take the written driver’s exam fail the first time they take it (www.teendrivingcourse.com). Suppose that Sam and Maria are randomly selected teenagers taking the test for the first ...In Virginia, in 2010, re-arrests occurred within one year for 46% of juveniles released from a correction center. Suppose there are two independent juveniles released. Assume that re-arrests are independent for released ...Quantitative SAT scores are approximately Normally distributed with a mean of 500 and a standard deviation of 100. On the horizontal axis of the graph, indicate the SAT scores that correspond with the provided z-scores. ...According to data from the College Board, the mean quantitative SAT score for male college-bound high school seniors in 2012 was 530. Assume that SAT scores are approximately normally distributed with a population standard ...In New Jersey in 2010, the average critical reading SAT score was 495. Assume that the standard deviation is 100 and that SAT scores are normally distributed. Include an appropriately labeled and shaded Normal curve for each ...Post your question