Lavelle wears socks that are either red, white, or black. If there's a 28% chance that he'll wear white socks on a given day and a 42% chance of black socks, what is the probability of wearing red socks?

Jeannie took a week's vacation from school and never made up the work. She is guessing answers on a 50 question True/False test. If she must get at least 32 questions correct in order to pass, what is the probability that she passes the test?

Brian is undecided as to whether to take a French course or a Russian course. He estimates that his probability of receiving an A grade would be 1/3 in a French course and 2/5 in a Russian course. If Brain decides to base his decision on the flip of a fair coin, what is the probability that he gets an A in Russian?

We are interested in analyzing data related to college football. Use S to denote the team is in the SEC and use W to denote a team has a winning season. The probability that a team is in the SEC in the data set is 5.5%. The probability that a team has a winning season is 52.5%. The probability that a team is in the SEC and has a winning season is 3.55%. What percentage of teams are in the SEC or had a winning season? b. What percentage of people teams are in the SEC and did NOT have a winning season? Given a team had a winning season, what is the probability that they are in the SEC? а. с.

Answer the following question. Sammy the Seahawk is leading the Broward College (BC) Math Team in a competition against the Technical Higher Education of Mathematics (THEM). This competition consists of up to five rounds and the team that wins three rounds first wins the competition. The first round will be at BC, the second round at THEM, and the other rounds will continue to alternate locations. Sammy calculates that the probability of winning a round at BC is 0.7 and the probability of winning a round at THEM is 0.4. What is the probability that BC wins the competition? Your answer must be accurate to 5 decimal places.

Alex surveyed some students at his school, asking about their favorite sport and whether they have a pet. What is the probability that a student in this survey has pets? Has Pets No Pets Total O 0.063 Basketball 16 12 28 O 0.110 Football 90 72 162 O 0.433 Baseball 38 26 64 O 0.567 Total 144 110 254 O 0.642

There are four horses named An, Bob, Cat, and Don. They are in a race where no ties are possible. Ann is twice as likely to win as Cat. Cat is twice as likely to win as Dan. Bob has a 30% chance of winning. What is the probability that Ann wins? 20% 30% 40% 50% 60% 70% 80% 90%

Delaney is about to take a final exam that consists of 20 questions. To motivate her to study, her parents promised her $500 if she gets at least 17 questions right. The questions are multiple choice and the probability of her getting a question right is 0.75 on each question of the final exam. What is the probability that she gets exactly 17 questions right? What is the probability that she gets at least 17 questions right?

5B. John packs four t shirts for a trip to the beach. If he owns nine t shirts, four of which are black, and he randomly picks which four to pack, what is the probability that he packs the four black ones?

According to the U.S. Census Bureau, 74.4% of U.S. households had Internet access in 2013. What is the probability that four randomly selected U.S. households all had Internet access in 2013?      Which one of these answer choices is correct? 25.6% 99.6% 74.4% 30.6%