The time that it takes a worker to finish a particular assembly line task is normally distributed, with a mean of 32 seconds and a standard deviation of 10 seconds. The slowest 10% of workers (those with the slowest 10% of times) will be required to spend the weekend training, to try to improve their times. What is the minimum speed a worker must achieve to escape the weekend training?
Answer to relevant QuestionsRevisit the situation first described in Develop Your Skills 4.3, Exercise 12 (page 176). Three women who have been friends since childhood have just graduated from college. The friends are very different, and have different ...What is the probability that a student can pass a 25-question multiple choice exam if each question has five choices and the student guesses? The recent average starting salary for new college graduates employed as business systems analysts is $49,879.Assume salaries are normally distributed with a standard deviation of $7,088. a. What is the probability of a new ...The time that it takes an emergency car repair service to arrive at a car that has broken down is a normally distributed random variable, with a mean of 42 minutes and a standard deviation of 12 minutes. What is the ...Suppose a college claims that its graduates from the business programs earn $40,000 a year, on average, after graduation. You are making only $38,000, so you have reason to doubt the college's claim. You take a random sample ...
Post your question