Wednesday, May 1, 2019
Business Statistics Homework Speech or Presentation
Business Statistics Homework - Speech or Presentation mannikinWhat proportion of brook trout caught will be between 12 and 18 inches in length?8. The distinguishable random variable X is the number of students that show up for Professor Smiths office hours on Monday afternoons. The circuit board below shows the probability distribution for X. What is the expected value E(X) for this distribution?10. The time required for a citizen to thoroughgoing(a) the 2000 U.S. Census long form is normally distributed with a mean of 40 minutes and a banal divagation of 10 minutes. The slowest 10% of the citizens would need at to the lowest degree how many minutes to exhaust the form?11. On average, a major earthquake (Richter scale 6.0 or above) occurs 3 generation a decade in a certain California county. What is the probability that less than six months will emit before the next earthquake?17. On a Sunday in April, dog bite victims get along at Carver Memorial Hospital at a historical rate of 0.6 victims per day. On a given Sunday in April, what is the probability that exactly two dog bite victims will arrest?19. If the mean time between unscheduled maintenance of LCD displays in a hospitals CT cream off facility is 4,000 operating hours, what is the probability of unscheduled maintenance in the next 5,000 hours?21. In Melanies Styling Salon, the time to get by a simple haircut is normally distributed with a mean of 25 minutes and a standard deviation of 4 minutes. What percent of customers require less than 32 minutes for a simple haircut?22. A too large number of applicants for admission to graduate study in business are given an aptitude test. rack up are normally distributed with a mean of 460 and standard deviation of 80. What fraction of applicants would you expect to have wads of 600 or above?23. On average, a major earthquake (Richter scale 6.0 or above) occurs 3 times a decade in a certain California county. Find the probability that at least one m ajor earthquake will occur within
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