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APPLICATION OF THE BINOMIAL MODEL: ANALYSIS
From experience with a battery manufacturing process, it is known that 5% of the products from a particular site are defective. Find the prob- ability of obtaining 2 defective batteries in a batch of 20 drawn from a large lot manufactured at this particular site, and show that we are more likely to ?nd 1 defective battery in the sample of 20 than 2.
APPLICATION OF THE BINOMIAL MODEL: DESIGN
From the sales record of an analytical equipment manufacturing company, it is known that their sales reps typically make on average one sale of a top-of-the-line near-infrared device for every 3 attempts. In preparing a training manual for future sales reps, the company would like to specify n, the smallestnumber of sales attempts each sales rep should make (per week) such that the probability of scoring an actual sale (per week) is greater than 0.8. Find n.
One of 4 bus drivers is also arbitarily chosen. Let Y denote number of students on his bus. Calculate expectations and variances of X and Y.
a recent study focused on the number of times men and women send a twitter message in a day. the information is
The average thickness of books on a library shelf is 8.3 centimeters.the standard deviation is 0.6 centimeter. If 20% of the books are oversied, find the minimum thickness of the oversized books on the library shelf.
the average age of vehicles registered in the united states is 96 months. assume the population is normally
What are the limits of the 99% prediction interval of the daily sales in dollars of an individual grocery store that has spent $3000 on advertising expenditures?
1. (The Excel file BASE.XLS, found on the CD that came with your Berk and Carey text, has average career batting averages for 263 major league baseball players at the start of the 1988 season.
The PCB concentration of a fish caught in Lake Michigan was measured by a technique that is known to result in an error of measurement that is normally distributed with a standard deviation of .08 ppm (parts per million- Give a 95 percent conf..
When a researcher has two samples with two means, one of the assumptions for two samples is independence of between the two samples. What does this mean? What happens if the independence assumption is violated?
Is 0.21, the probability that his wife will vote in the referendum is0.28, and the probability that both the husband and wife will voteis 0.15. What is the probability that: at least one member of a married couple will vote?
question a research team compared two methods of measuring tread wear on tires. eleven tires were each measured for
Test the equality of the means of three populations.
Distributed with a mean of 8 minutes. What is the probability that it will take a worker between four and nine minutes to complete the task?
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