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According to a survey 73 % of major US companies electronically monitor their employees. Suppose that 255 such companies are selected independently and at random. (a) What is the probability that 186 companies in the sample electronically monitor their employees?
A large population of overdue bills has balances that follow a normal curve. When we take a sample of 100 of these the average is $500 and the standard deviation is $100. (a) what statement can you make about the range $300 to $700? (b) what state..
Compute the suitable Test Statistic to test hypothesis that the proportion of condominiums that sold within 30 days decreased from 2006 to 2007.
Hypothesis test for dependent samples and Has satisfaction with MHMR services changed since the January survey
What is the most probable number of patients arriving each Saturday and give the main assumptions we make when we model the above situation using a Poisson distribution.
A fair die is rolled two times. Let A be the event that the outcome of the first roll is an odd number. Let B be the event that the outcome of second roll is at least 5.
Suppose sps professors have an average life normally distributed of 82 years, with a population standard deviation of 5 years.
What happens to the confidence interval and the power of the test at a particular point of interest
Determine the 95% confidence interval for true percent of car owners in this city who received the speeding ticket this year. Explain your results to nearest hundredth of percent.
Draw a normal probability plot for residuals using excel or Minitab. Do the residuals seem normally distributed? If yes, why?
Determine the average score for ERAU graduates? Determine the value of test statistic? Significance level?
A probability distribution is a mutually exclusive listing of the outcomes of an experiment which can occur by chance and the corresponding probabilities of occurrence.
He (given that) the true proportion of perfect condition items is only 80% what is the probability that the lot will not be shipped?
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