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- I need the answer as soon as possible27. Fishing tournament. A sporting goods manufacturer was asked to sponsor a local boy in two fishing tourna- ments. They claim the probability that he will win the first tournament is 0.4. If he wins the first tournament, they estimate the probability that he will also win the second is 0.2. They guess that if he loses the first tournament, the probability that he will win the second is 0.3. a) According to their estimates, are the two tournaments independent? Explain your answer. b) What's the probability that he loses both tournaments? c) What's the probability he wins both tournaments? d) Let random variable X be the number of tournaments he wins. Find the probability model for X. e) What are the expected value and standard deviation of X?The train To get to work, a commuter must cross traintracks. The time the train arrives varies slightly from dayto day, but the commuter estimates he’ll get stopped onabout 15% of work days. During a certain 5-day workweek, what is the probability that hea) gets stopped on Monday and again on Tuesday?b) gets stopped for the first time on Thursday?c) gets stopped every day?d) gets stopped at least once during the week?
- Edward has to take a sixsix-question multiple-choice quiz in his sociology class. Each question has four choices for answers, of which only one is correct. Assuming that Edward guesses on all sixsix questions, what is the probability that he will answer a) all sixsix questions correctly, b) exactly twotwo questions correctly, c) at least twotwo questions correctly.1) The number of telephone calls coming into thecentral switchboard of an office building averages four per minute. a Find the probability that no calls will arrive in a) given 1-minute period. b) Find the probability that at least two calls willarrive in a given 1-minute period. c) Find the probability that at least two calls willarrive in a given 2-minute periodDavid is selling raffle tickets from door to door to raise money for charity. To reach his daily fundraising goal, he needs to sell 10 tickets. He observes that, on average, an occupant in one in every three houses he visits will buy a ticket. a) Find the probability that on a given day he reaches his daily goal after visiting exactly 35 houses. b) In one month, David worked on 20 days, and met his daily goal on each day. Estimate the probability that the average number of houses he visited per day was 35 or fewer.
- Can someone help with A, B, C? Thank you.Determine to which probability assignment approach the following statements belong and justify your answer. a) There is a 20% probability that it will rain because it has rained 2 of the previous 10 days. b) According to the experts, there is a 5% probability that a car will have an accident in the field, since it is considered that the risk is lower. c) There is a 50% probability of choosing a boot since there are 10 boots among the 20 available shoes.Edward has to take a five question multiple-choice quiz and his socialolgy class. each question asked four choices for answers of which only one is correct. assuming that edwards guesses on all five questions. what is the probability that he will answer a) all five questions correctly b) exactly 2 questions correctly c) at least two questions correctly
- Find the indicated probability A) The student is over 14 B) The student likes swimmingThe following contingency table summarizes the drug test results for 398 test-takers: Positive Negative 1 164 Doesn't use drugs Uses drugs Total 1) The probability that the test-taker uses drugs: 2) The probability of a true negative: 227 For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.) 3) The probability of an error: Submit Question 6 0 0 0 Total
