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A manufacturing company is interested in predicting the number of defects that will be produced each hour on the assembly line. The managers believe that there is a relationship between the defect rate and the production rate per hour. The managers believe that they can use production rate to predict the number of defects. The following data were collected for 10 randomly selected hours. Defects Production Rate Per Hour 20 400 30 450 10 350 20 375 30 400 25 400 30 450 20 300 10 300 40 300 Given these sample data, the simple linear regression model for predicting the number of defects is approximately = 5.67 + 0.048x.
an elevator in a building starts with 6 people and stops at 8 floors. assuming that all permutations of the passengers
If the manufacturer stocks 100 components, what is the probability that the 100 orders can be filled without reordering components?
in an emergency the typical driver requires about 0.75 seconds to get his or her foot onto the brake. the distance that
Construct the 95% confidence interval estimate of the mean number of migraine attacks for those treated with acupuncture.
A Taguchi experiment is to be performed on the effects of lift, bore, stroke, and compression on engine performance with horsepower as the outcome variable. The factors were tested at each of the following levels in hopes of improving engine horse..
Determine whether the sentence is statement. Please justify. Write a negation of the inequality.Do not use a slash sign. Answer must be written as an equality.
Interpret the results at α = .01. (c) Is normality assured? (d) Is the difference large enough to be important? (e) What else would medical researchers need to know before prescribing this drug widely?
A jar contains 12 marbles, 5 of which are blue and 7 of which are red. If 4 marbles are chosen at random and without replacement, what is the probability of selecting 3 blue ones and 1 red one?
assume that you plan to use a significance level of 0.05 to test the claim that p1 p2. use the given sample sizes and
To what probabilities do each of the following sigma levels correspond to, based on a standard normal curve: 3 sigma, 4sigma, 5 sigma, and 6 sigma? (Hint: Use the NORMSDIST function in Excel.
ten juniors and five seniors have applied for two open student council positions. school adminitrators have decided to
Use a 0.01 level of significance to test for the evidence of improvement in the life expectancy of the batteries. Use the critical value criterion in your decision making. What is the p-value of the test? Draw your conclusion using the p-value crit..
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