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An element E has a constant failure rate λ and a reliability at time t of R(t)=p, if p=0.5 and 0.9, what is the effect on Rs(t), basic reliability, serial Mean Time Between Failure, hs(t), MTBFs if additional elements are added to the baseline system containg of a single element?
Correlation rule states that if X and Y are correlated, X has caused Y.
At a large commercial bakery, one of the measures used to evaluate employees is number of broken cookies per 1000 produced. The quality control department wants to determine if there is a relationship between years of experience and the broken co..
Give the expected value and standard deviation of defective shoes in the ShoeFit store order.
What is the probability that a randomly chosen employee is an Administrator if the employee has the opportunity of gaining promotion next year?
How does bell-shaped curve for sampling distribution of sample means for samples of size n =120 compare tobell-shaped curve for sampling distribution of sample means for samples of size n =95?
For each lettered part, a through c, examine the two given sets of numbers. Without doing any calculations, decide which set has the larger standard deviation and explain why. Then check by finding the standard deviation by hand .
Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-Value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.
The probability that more than 6 planes arrive in the next minute is _____.
For value 10,40,20,50 and 40, value of arithmetic mean is? Simplest measure of dispersion is the Standard deviation, variance, Quartile deviation.
Heights of 18-year-old men are approximately normally distributed, with mean 68 inches and standard deviation 3 inches.
In a surgey of 280 adults over 50.80%; said they were taking vitamin supplements. Find the margin of error for this survey if we want a 99% confidence in our estimate of the percent of adults over 50 who take vitamin supplements.
She figures that each box costs $ 2.59 plus $ 0.21 shipping and handling, which totals $ 2.80, then she adds $ 0.70 profit to each box and sells it for $ 3.50. Do you think this is a good pricing strategy? How would it compare to marking up by a p..
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