The probability of a California teenager owning a surfboard is 0.43, of owning a skateboard is 0.38, and of owning both is 0.28. If a California teenager is selected at random, find the probability that he or she owns a ...
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Thirty percent of the managers in a certain company have MBA degrees as well as professional training. Eighty percent of all managers in the firm have professional training. If a manager is randomly chosen and found to h ...
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A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it needs to be replaced. From past studies of this tire, the standard deviation is known to be 8,000. A survey of owners of th ...
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Suppose that 20% of men (P=.20) and 15% of women (P= .15) are carriers of a particular genetic trait. That trait can only be inherited by a child if both parents are carriers. What is the probability that a child is born ...
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Suppose it is known that the response time of healthy subjects to a particular stimulus is a normally distributed random variable with a mean of 15 seconds and a variance of 16. What is the probability that a random samp ...
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A production system has two spares of a critical component that have average uptime 1/lamba = 1 month. Find the probability that the 3 components (the operating one and the two spares) will last more than 6 months. Assum ...
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Discuss the core business objectives and the primary focus of the financial business model.
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In a large university, 68% of students live in dormitories. A random sample of 14 students is selected. What is the probability that the sample contains more than five students who do not live in the dormitories?
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The December CBOT Treasury bond futures contract is quoted at 92-19. If annual interest rates go up by 1.50 percentage points, what is the gain or loss on the futures contract? (Assume a $1,000 par value, and round to th ...
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A puck company wants to sponsor the players with the 20% quickest goals in hockey games. The times of first goals are normally distributed with a mean of 8.54 minutes and a standard deviation of 4.91 minutes. How fast wo ...
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