What is the conditional probability

Assignment Help Applied Statistics

Reference no: EM131411855

In an Italian breakfast café, a waitress has observed that 80% of her customers order coffee and 25% of her customers order both biscotti and coffee. Define
A = a randomly selected customer orders coffee.
B = a randomly selected customer orders biscotti.

a. Express the waitress's observations as probability statements involving events A and B.

b. What is the conditional probability that a randomly selected customer would order a biscotti, given that he or she orders coffee?

c. What is the conditional probability that a customer would not order a biscotti, given that he or she orders coffee?

Reference no: EM131411855

Questions Cloud

Why was showtime''s show about lesbians the l word criticized : Why was Showtime's show about lesbians "The L Word" criticized? How are immigrant Latinos labeled in a way that makes them seem like a threat to society?

Determine the percentage of the computers in the store : In a computer store, 30% (.3) of the computers in stock are laptops and 70% (.7) are desktops.- Use a tree diagram to determine the percentage of the computers in the store that are on sale.

What is the dividend yield : What is the dividend yield for each of these four stocks? What is the expected capital gains yield? Discuss the relationship among the various returns that you find for each of these stocks.

What is the alpha of security a : Security A has an expected rate of return of 15.50% and a beta of 2.15.The risk-free rate is 2.25% and the market risk premium is 6.75%. What is the alpha of security A?

What is the conditional probability : What is the conditional probability that a randomly selected customer would order a biscotti, given that he or she orders coffee?

Determine the upper and lower control-chart limits : Zipper Products, Inc., produces granola cereal, granola bars, and other natural food products. Its granola cereal is sampled to ensure proper weight. Determine the upper and lower control-chart limits for averages for the boxes of cereal

What is the average inventory held during the year : Cheeseburger and Taco Company purchases 19,186 boxes of cheese each year. It costs $18 to place and ship each order and $5.47 per year for each box held as inventory. The company is using Economic Order Quantity model in placing the orders. What i..

What is the probability that they pick the same number : Two students each use a random number generator to pick an integer between 1 and 7. What is the probability that they pick the same number?

Find the probability that the first card is an ace : A standard poker deck of cards contains 52 cards of which four are aces.- Find the probability that the first card is an ace and the second card is not an ace.

User Account

All Pages