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A standard for full credibility of 1,000 claims has been selected so that the actual pure premium will be within 10% of the expected pure premium 95% of the time. The number of claims has the Poisson distribution. Determine the coeffcient of variation of the severity distribution.
Thirty-two samples of 8 items each were collected from a process. The average sample mean is 12 and the average range is 0.10. The upper and lower control limits, respectively, for an:
What will be critical value of chi-square if test is to be performed at 0.025 level? At the 0.05 level?
Hypothesis testing of single mean - The Wall Street Journal reported that the 30-year mortgage rate is now less than 6%.
Use descriptive statistics to explain how parental involvement and interests in child's education can impact on educational attainment measured in terms of their numeracy (v24_7), literacy (v28_7) and creativity skills (v25_7 and v26_7)
The null hypothesis is to be tested at the 10% level of significance. The critical value from the table is:
How many jackets should the store owner order if she wants to maximize her expected profit?
Determine the probability that between 5 and 10 minutes will pass between successive occurrences.
Expalin what would be the appropriate statistical procedure to test the following hypothesis: Triglyceride values are a good predictor of weight in obese adults.
A school administrator randomly selects 12 classes from your school and then selects all of the students of those classes to study a school library issue. Which type of sampling design is being used.
What is the probability that a particular driver had exactly two speeding violations?
A drug company is considering marketing a new local anesthetic. The effective time of the anesthetic the company is currently producing has a normal distribution with an average of 7.5 minutes and a standard deviation of 1.2 minutes.
What is the probability of this project being completed earlier than 19 days?
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