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The article "Second Moment Reliability Evaluation vs. Monte Carlo Simulations for Weld Fatigue Strength" (Quality and Reliability Engr. Intl., 2012: 887-896) considered the use of a uniform distribution with A = .20 and B = 4.25 for the diameter X of a certain type of weld (mm).
a. Determine the pdf of X and graph it.
b. What is the probability that diameter exceeds 3 mm?
c. What is the probability that diameter is within 1 mm of the mean diameter?
Construct an appropriate chart/graph that displays the relevant information for these two variables - Write the null and alternative hypotheses used to test the question above (e.g., whether participation in the course affects writing scores).
Test the hypothesis that the true Pearson correlation (p) is significantly different from zero. Provide a (p) value (two-tail) n=12. Correlation intake is .448 for the two recording methods.
The number of employees who call in sick on Monday follows a Poisson distribution with a mean value of 3.6. What is the probability that no more than three employees will call in sick next Monday?
Is it true that one of the important properties of time series models is that some sort of pattern in the data over time should be detected first and then used within the model?
Although the two samples have an identica winning percentage,one is significant and the other is not. Explain why the two samples lead to different conclusions.
The data below show the average daily high temperature for Chicago, Illinois, for twelve recent spring and summer months. Create a stem-and -leaf diagram for the data.
The dealer is required to stay with soft 18, 19, 20, or 21. For each possible up card, determine the probability that the ending value of the dealer's hand is 17, 18, 19, 20, 21, or broke.
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.
question the gallup organization contacts 1709 adult men who are 40 to 60 yrs of age and live in the united states
Suppose the weights of pucks produced at a factory are normally distributed with a mean of 5.75 ounces and a standard deviation of .11 ounce. What percentage of the pucks produced at this factory cannot be used by the National Hockey League?
a local eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas. the owner of the
Many people do not "like" or "trust" single point estimates for things they need measured.
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