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The computer chips in notebook and laptop computers are produced from semiconductor wafers. Certain semiconductor waiters are exposed to the environment that generates up to 100 possible defects per waiter. The number of defects per waiter, Y, was found to follow a binomial distribution if the manufacturing process is stable and generates defects that are randomly distributed on the waifers. Let p represent the probability that a defect occurs at any of the 100 points of the waiter. If you assume that the number of defects per wafer produced from Company X follows B(n=100, p=0.08), what is P(X>50)?
Four customers in succession come into the store to order stereos. The retailer is interested in their preferences. List the possibilities for preference arrangements among the four customers.
1. many television viewers express doubts about the validity of certain commercials. in an attempt to answer their
One of the most important uses of a correlation is its potential use in_________
suppose xn01and y n22that is ey 2 and vary2 and x and y are independently distributed. you are required to use the
A random sample of 10 observations from one population revealed a sample mean of 23 and a sample deviation of 4. A random sample of 8 observations from another population revealed a sample mean of 26 and a sample standard deviation of 5.
A company owns 400 laptops. Each laptop has an 8% probability of not working. You randomly select 20 laptops for your salespeople. What is the likelihood that they will all be broken?
The sample mean is 4.1 and the sample standard deviation is 1.4. It can be assumed that the population is normally distributed. The degrees of freedom associated with this are?
Briefly discuss probability distributions. What is a normal distribution? Please provide a written example of how 'understanding distribution' can be an asset for any business project.
Compare the two forecasts computed in (a) and (b), using MAD. Which one should the dealer use for January of the next year?
Consider a random sample of size n from a normal distribution, Xi ~ N(m,9). a) Find the CRLB for the variances of unbiased estimators of m. b) Is the MLE, m(hat) = X(bar), a UMVUE of m?
What item/s can be deleted to improve reliability, what items should never be deleted to maintain reliability of data and how many items need to be deleted to achieve maximum reliability
What is the minimum number of workers required and must include all model and solver formulas in excel.
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