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What is the minimum sample size you should use to assure that your estimate of will be within the required margin of error around the population p? Margin of error: 0.04; confidence level: 90%; from a prior study, is estimated by 0.20.
Distribution with the mean of 10,000 hours. Component has already been in operation for its mean life. Determine the probability that it will fail by 15,000 hours?
Conditional and compound probabilities.The table below gives the distribution of blood types by gender in a group of 1000 individuals.
The director of quality for Harley Davidson is conducting his weekly spot check of the transmission gear box of the newly introduced Wind Phantom series motorcycle.
A random variable X has the Pareto (α, θ) distribution (where α > 0, θ > 0) if F_X(x) = 1 - (θ/(θ+x))^α for x ≥ 0. For a fixed d > 0, let Y = X-d | X >d. Calculate F_Y(y) and EY.
For a population with µ = 62 and Ï? = 12, find the X-value that corresponds to each of the following z-scores.
According to the National Institute for Occupational Safety and Health, job stress poses a major threat to the health of workers. A national survey of restaurant employees found that 75% said that job stress had a negative impact on their personal..
Investigate the comparative pros and cons of the mean and the median. Find examples where the mean is more appropriate than the median and vice-versa. Discuss the locations of the mean, median and mode for a normal, left-skewed and right-skewed di..
12 mature citrus trees of one variety and 15 of another gave means and standard deviations of their heights as 13.8 and 12.9 ft (means), and 1.2 and 1.5 ft (standard deviations).
A microwave manufacturing company has just switched to a new automated production system. Unfortunately, the new machinery has been frequently failing and requiring repairs and service.
Determine wheter the given procedures results in a binominal distribution. If it is not binomial, identify the requirements that are not satisfied.
Based on this information, determinethe probability that specific fare will exceed $15.00?
Determine the largest plausible average balance for the accounts of those using her managed fund in which you could have 90% confidence.
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