s in a carpet tend to occur randomly and independently at a rate of one every 300 square feet. What is the probability that a carpet that is 9 feet by 12 feet ains no flaws?
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- The table below describes a sample of males and females who like and dislike pizza. Give answers to 4 decimal places as needed. Gender likes pizza dislikes pizza Male 41 9 Female 37 6 (a) Find the probability that one randomly selected person is a male or likes pizza. (b) Find the probability that one randomly selected person is a male, given that person likes pizza. (c) Find the probability that one randomly selected person is a female and likes pizza.If the mean and variance of a binomial distribution are 4 and 2 respectively. Find the probability of exactly 2successes.A die is rolled 10 times. What is the probability of the sum of the faces being equal to 27? (Hint: use generating functions)
- The weights of steers in a herd are distributed normally. The variance is 90,000 and the mean steer weight is 1200 lbs. Find the probability that the weight of a randomly selected steer is between 1379 and 1590 lbs. Round your answer to four decimal places.Please answer #1Compton Computers finds that the time to failure of its power supply unit is 4000hours. One unit just failed. What is the probability that the next will fail in less than 4000hours?
- The life of light bulbs is distributed normally. The variance of the lifetime is 225 and the mean lifetime of a bulb is 540 hours. Find the probability of a bulb lasting for between 532 and 571 hours. Round your answer to four decimal places.A market analyst studying the length of time shoppers spend in two types of grocery store observes a sample of 75 shoppers in each store. The mean time the sample of shoppers spends in Store A is 55minutes. The mean time the sample of shoppers spends in store B is 49 minutes. What is the probability of observing a sample difference X-BarA – X-BarB at least as large as and in the same direction as this if there is no difference in the true mean time that shoppers spend in the two stores and if the standard deviation is 15 minutes for both populations? What assumptions are made regarding the samplesSuppose the time a child spends waiting at for the bus as a school bus stop is exponentially distributed with mean 4 minutes. Determine the probability that the child must wait between 2 and 3 minutes on the bus on a given morning.
- If the odds against the Dodgers winning the World Series are 17 to 2, what is the probability of them winning the Series? Type answer as a fraction or a decimal rounded to three decimal placesGive in brief the concept of probabilityIt is known from past eperience that the probability that a person has cancer is 0.15 and the probability that a person has heart disease is 0.2. If we assume that incidence of cancer and heart disease are independent, find the probability that a person has exactly one ailment.