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A new car that is a gas- and electric-powered hybrid has recently hit the market. The distance travelled on 1 gallon of fuel is normally distributed with a mean of 50 miles and a standard deviation of 8 miles. Find the probability of the following events: A. The car travels more than 56 miles per gallon.
a random sample of size 56 from a normal population showed a mean of 63 and a sum of squares of deviation from the mean
Determine whether the following equations real or complex solutions; justify your answer. Note: It is not necessary to find the solutions; just determine if they are real or complex and explain why.
suppose a researcher gathered survey data from 19 employees and asked the employees to rate their job satisfaction on a
the pearson product-moment correlation coefficient r requires that variables be measured with .a. an interval or ratio
Develop a forecasting model, justifying its selection over other techniques, and project attendance through 2007.
During the 10-month period during which these six exposures were detected, a total of 2,316 general anesthetics using isoflurane or desflurane were delivered in operating rooms monitored by mass spectrometry.
A hospital human resources manager finds that the local average starting salary for nurses is $24,000. She randomly samples 10 nurse's salaries at the hospital and calculates a mean of $23,450 and a standard deviation of $400.
Computing the Z scores for the given data and evaluate µ and σ for the population.
Develop separate schedules by using the FCFS,SPT and EDD rules. Compare the schedules on the basis of average flow time,the average early time and average past due hours for any order.
Identify the regression equation and make the prediction. Show your procedure, or explain how you reached your answer. Costs of Television: Find the best predicted quality score of a Hitachi television with a price of $1900. Is the predicted qualit..
You are tracking the sales of three tires. Using the binomial distribution formula, what is the probability that at least one will need a repair?
Public health statistics indicate that about 26.4% of Americans smoke. Suppose a random sample of 50 people is selected. Approximate the distribution of the same proportion with the normal model.
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