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When a company's production process malfunctions, it needs to make either a minor adjustment or a major adjustment. If the defective rate is 10%, then it needs to make a minor adjustment. If the defective rate is 25%, then it needs to make a major adjustment. For a sample of 20 units, the company observes the number of defects. It does not know what type of adjustment is needed.
a) What is the probability of observing 3 or fewer defects if a major adjustment is needed?
b) What is the probability of observing 4 or more defects if a minor adjustment is needed?
Use the GPA classification to adjust the weights of the respondents in the sample. What is the weighting-class estimate of the average viewing time?
Scores on certain nationwide college entrance examination follow normal distribution with mean of 500 and a standard deviation of 100. Determine the probability that student will score?
In your opinion what purpose does the psychological models serve? Explain in your own words. Free association is a therapeutic technique of psychoanalytic model while Rational Emotive Behavior Therapy (REBT) is a cognitive behavioral technique, exp..
The increasing number of traveling business woman represents a large potential clientele for the hotel industry. Many hotel chains have made changes designed to attract more woman.
Based on this information, construct the ANOVA table of summary findings and use the 0.025 level of significance in testing whether all of the treatment effects could be zero.
What is the arithmetic mean income? What is the population variance? The standard deviation? The annual incomes of officers of another firm similar to TMV Industries were also studied.
Describe some ways in which the test groups might not be representative of the population of people with arthritis. If the company itself paid for or conducted its own research, would you have any concerns? Why or why not?
Choose the correct null and alternative hypotheses. H0: p = 0.40 vs. H1: p > 0.40H0: p = 0.40 vs. H1: p ? 0.40H0: p = 0.40 vs. H1: p
Determine the probability that the project will be completed in 90 days or less.
What is the response variable?- What is n, the number of cases?- What is p, the number of explanatory variables?- What are the explanatory variables?
For what kinds of tests can chi-square analysis be used?- Is the chi-square distribution a continuous distribution or a discrete distribution? Explain.
The mayor of a small town wants to conduct personal interview with small business owners to determine if there is anything the mayor could do to help improve business conditions.
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