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APPLICATION OF THE POISSON MODEL TO QUALITY ASSURANCE IN GLASS MANUFACTURING
If X, the number of inclusions found on glass sheets produced in the manufacturing process discussed in Chapter 1 can be considered as a Poisson random variable with theoretical value λ = 1, (1) compute the theoretical probabilities of observing x = 0, 1, 2,. .., 6 inclusions, and compare these with the empirical frequencies generated from the data in Table 1.2 and shown in Table 1.5. (2) If, as stated in Chapter 1, only sheets with 3 or fewer inclusions are acceptable and can be sold unconditionally, theoretically what percentage of the product made in this process can be expected to fall into this desired category? (3) What is the theoretical probability of this process producing sheets with 5 or more inclusions?
Seventy-five percent of households say they woud feel secure if they had $50,000 in savings. You randomly select 8 households and ask them if they would feel secure if they had $50,000 in savings.
a sample of 250 people resulted in a confidence interval estimate for the proportion of people who believe that the
In her wallet, Susan has 12 bills. 6 are $1 bills, 2 are $5 bills, 3 are $10 bills, and 1 is a $20 bill. She passes a volunteer seeking donations for the American Red Cross and decides to select 1 bill at random.
Your boss is a member of the library-site selection committee. She is not perfectly satisfied with the assessments shown in the table. Specifically, she wonders to what extent the assessed weights and individual utilities on the detail attributes ..
a company decides to add a new program that prepares randomly selected sales personnel to increase their number of
1.a local farmer is interested in comparing the yields of two varieties of tomatoes. in an experimental field he
The data obtained from the 30 respondents are shown in the table. Calculate the category means and the grand mean. Show Calculations. Calculate SSy, SSx, and SSerror. Show Calculations.
If writing scores for population have standard deviation of σ = 20, does sample give adequate evidence to conclude that new composition course has significant effect?
A committe studying employer-employee relations proposed that a rating system be adopted. Each employee would rate his or her inmediate supervisor and in turn the supervisor would rate each employee.
greta and troy are playing chess. greta is a poor sport and will stop playing as soon as she loses 3 chess matches.
question 1 8 marks the australian divorce rate has been steadily increasing over the years until late 1990s. however
in a recent study of 35 ninth-grade students the mean number of hours per week that they played video games was 16.6.
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