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A company manufacturing bolts has 3 machines . machine A is older and produces 30% of the product.machince A and C produces half of the remaining product of the bolt produced by machine A , 5% or defective .the defect rate of the machine B and C is respectively 3% and 2%. one bolt produced at this factory is randomly choosen and is found to be defective . what is the probability that it was produced by machine B?
A bonding company want to insure a construction projects completion. If the project is cancelled due to the contractor's lack of performance
Critically discuss the difference between the "skewedness" of the distribution of a dataset and its "kurtosis"? What is the expected value (EV) of an investment if there is a 20% chance of realizing a return of $20,000 or a 55% chance of realizing a..
Find a point estimate of the population mean. Find the 95% confidence interval of the true mean. Assume the population standard deviation was 0.8.
Men are usually the snow blower accident victims. There are several factors to consider, but we're going to choose the level of operating experience between men ages 21-35.
Tests of hypothesis for two populations. List one test statistic that could be used for comparing two populations with hypothesis testing. Can you think of an example where this could be used?
The following table lists the annual amounts of glass cullet produced by Kimble Glass Works, Inc. Determine the least squares trend equation. Estimate the amount of scrap for the year 2005.
Using the basic informaion from above: If there are no additional customers waiting (or walking up to the counter) when a particular customer begins her transaction, what is the probability that no one will be waiting in line when her transaction ..
Find the values of the correlation coefficient and the coefficient of determination. Find the slope, y-intercept, and equation of the regression line for the data. Plot the points and a graph of the regression line on the same axes.
Three coins are tossed simultaneously, consider the event E "Three heads or three tails" F " At least two heads" and G "Atmost two heads " of the pairs (E,F), (E,G) and (F,G), which are independent? Which are dependent?
Among 134 randomly selected students, 9.3% refused to respond on a survey on cheating while among 154 male college students, 14.6% refused to respond to the same survey. Determine test statistic, critical values, p-value, and conclusion.
Denote the Bergen County population mean as µ1 and the Morris County population mean as µ2. Using a significance level of your choice, carry out a hypothesis test for H0: µ1 ≥ µ2.
What is the 95% confidence interval for the proportion of smokers in the population (to 4 decimals)?
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