Suppose that the hazard rate of a certain continuous positive random variable is given by 4t+4. Find the probability that this random variable is < 1/2. TYPE YOUR ANSWER AS A NUMBER WITH TWO DECIMAL DIGITS, AND USE e=2.72.
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Q: he table summarizes results from 987 pedestrian deaths that were caused by automobile accidents.…
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A: solution: If we plot three pdf separately we get:
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A: Z~N(μ=0, σ2=1)
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A: Driver Intoxicated?Pedestrian Intoxicated?YesNoYes5980No276563
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A: Disclaimer "Since you have posted a question with multiple sub-parts, we will solve first three…
Q: If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was…
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Q: Let x be a random variable that represents red blood cell (RBC) count in millions of cells per cubic…
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Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…
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A: Solution:
Q: The table summarizes results from 980 pedestrian deaths that were caused by automobile accidents.…
A:
Q: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…
A: Total number of pedestrian death = 42 + 85 + 250 + 611 = 988 Number of pedestrian death that neither…
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- The time it takes me to wash the dishes is uniformlydistributed between 6 minutes and 16 minutes.What is the probability that washing dishes tonight will take me between 12 and 14 minutes? Give your answer accurate to two decimal places.The life of light bulbs is distributed normally. The variance of the lifetime is 900 and the mean lifetime of a bulb is 550 hours. Find the probability of a bulb lasting for at least 583 hours. Round your answer to four decimal placesThe table summarizes results from 976 pedestrian deaths that were caused by automobile accidents. Pedestrian Deaths Pedestrian Intoxicated? Driver Intoxicated? Yes No Yes 50 66 No 235 625 If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was intoxicated or the driver was intoxicated. Please enter a decimal to 4 decimal places. Probability =
- The table summarizes results from 986 pedestrian deaths that were caused by automobile accidents. Pedestrian Deaths Driver Intoxicated? Yes No Pedestrian Intoxicated? Yes No 54 80 243 609 If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was intoxicated or the driver was not intoxicated. Please enter a decimal to 4 decimal places. Probability = 0.7536 XIn the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the park 71 % of the time. Find the probability that among 11 guests surveyed exactly 3 guests like to stay at an overnight lodge in the park. P(x = 3) =Casey buys a Venus chocolate bar every day during a promotion that promises 'one in six wrappers is a winner'. Assume that the conditions of the binomial distribution apply: the outcomes for Casey's purchases are independent, and the population of Venus chocolate bars is effectively infinite. Find the probability that Casey gets no winning wrappers in seven days. Casey buys a bar every day for six weeks. Find the probability that he gets at least three winning wrappers. * None of the choices O -0.277 * 0.270 * 0.979
- Kelly realized that 4% of his students' exams have academic integrity issues. He plans to go through the exams at random to find one with academic integrity issues. Let X be the number of exams Kelly selects until he finds one with academic integrity issues. a) Find the probability that the 18 th exam Kelly selects will be the first with academic integrity issues. State your answer as a percentage rounded your answer to 2 decimal places. b) What is the probability of finding an exam with academic integrity issues within the first 5 exams? Round your answer to 3 decimal places.If a seed is planted, it has a 61% chance of growing into a healthy plant. Let X be the number of seeds grow into healthy plants when 57 seeds are planted. What is the distribution of X? Please show the following answers to 4 decimal places. What is the probability that exactly 24 seeds grow into healthy plants? What is the probability that at most 24 seeds grow into healthy plants?The table summarizes results from pedestrian deaths that were caused by automobile accidents. DriverIntoxicated? Pedestrian Intoxicated? Yes No Yes 48 68 No 280 579 If one of the pedestrian deaths is randomly selected, find the probability that the driver was not intoxicated. (Please enter a decimal, and round your answer to 4 decimal places.)Probability =
- The mean percent of childhood asthma prevalence in 43 cities is 2.07%. A random sample of 33 of these cities is selected. What is the probability that the mean childhood asthma prevalence for the sample is greater than 2.4%? Interpret this probability. Assume that o = 1.39%. The probability is (Round to four decimal places as needed.)34% of CSU students participate in the Statistics Games while they attend CSU. You take a random sample of 40 students. What is the probability of getting a a sample with more than 15 students who have participated in the Games? Use 2 decimal places for your z-score when finding the probability area. Give your answer to 4 decimal places.The weights of steers in a herd are distributed normally. The variance is 40,000 and the mean steer weight is 1400lbs. Find the probability that the weight of a randomly selected steer is between 1537lbs and 1679lbs Round your answer to four decimal places.