What is the probability that he takes bus normally?
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Lando works in Brooklyn and his home is in Newark. He comes to office either by bus or train. If he arrives at office on time or earlier, 90% of the times he comes by train and if he is late, 70% of the times she comes by bus. Lando normally arrives at office on time for 80% of the times. What is the probability that he takes bus normally?
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- The Dallas Mavericks play the Oklahoma City Thunder in a best of 7 game NBA playoff series. If the probability that the Mavs beat the Thunders is 40% for each game, what is the probability that Dallas wins the series(first to win four games) in at most 7 games?If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be hired in their first 6 months out of college is 3%, what is the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will not get hired in the first 6 months out of college?Left-handed people make up about 10% of the population. A school is buying arm-desks for a new classroom. The classroom has 30 desks, and the school wants to put two left-handed desks and 28.right-handed desks in the classroom. What is the probability that there will be more than two left- handed students in the next class of 30?
- In average the number of people entering the intensive care unit at the particular hospital on any one day is 5 persons per day. What is the probability that the number of people entering the intensive care unit one particular day is two?A football quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. He misses the receiver on the first throw 25% of the time. When his first throw is incomplete, he misses the receiver on the second throw 15% of the time. What is the probability of not throwing the ball to a receiver on either throw?Two chefs (Mike and Larry) cook at a diner. Mike cooks twice as many dishes as Larry. ZAGAT has noted that Larry cooks “good” 3 out of four dishes, while Mike cooks “good” four out of ten dishes. You want take your out-of-town visitor for a dinner there. What is the probability that your visitor will have good dining experience?
- Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students eat pizza and drink soda, what is the probability that a randomly chosen high student will either eat pizza, drink soda, or both?Joon wants to determine whether his San Jose oil field will yield oil. He has hired a geologist to run tests on the field. If there is oil in the field, there is a 95% chance that the test will indicate oil. If the field contains no oil, there is a 5% chance that the test will indicate oil. If the test indicates that there is no oil in the field, what is the probability that the field contains oil? Before the test, Joon believes that there is a 10% chance that the field will yield oil.Suppose a free throw shooter makes 67 percent of their first attempts. On the second attempt they make 81 percent if they had made their first attempt, but 59 percent if they had miss. What is the probability that they make one of two attempts (one or the other attempt, but not both)?
- There was a baseball game between Oscar and Gabe. The chance of Oscar winning is 3/5 (60%). The chance of Gabe winning is 2/5 (40%). This game wasn't a one game competition. It's the best of 5 series. This means the first person to win 3 games is the overall champion. What's the probability (% is best) that Oscar is the champion? Don't answer this question as Oscar with a 60% chance and Gabe as a 40% chance. Also, don’t use the equation for finding multiple events for probability.A basketball player hits three-point shots 45% of the time. If she takes 4 shots during the game, what is the probability that she misses the first shot and hits the last three shots?You are the webmaster for your firm's website. From your records, you know that the probability that a visitor will buy something from your firm is 0.26. In one day, the number of visitors is 1050. If the visitors' traffic is more than the expected for the day, what is the probability that at least 10 more than the expected visitors will buy something from the firm?
