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Several companies use sampling to find out whether batch must be accepted. A (n, c) sampling plan comprises of inspecting n randomly selected items from batch and accepting the batch if c or fewer sampled items are defective. Assume company uses (100, 5) sampling plan to find out whether batch of 100,000 chips is acceptable. a) Compute the probability of rejecting a batch which has 3% defectives? b)Determine the probability of accepting batch that has 9% defectives?
Chi-square test for independent attributes - Are the opinions on the tax cut proposal independent of party affiliation? Use a = 0.01
What is the probability that among 10 true hypertensives at least 50% are being treated appropriately and are complying with this treatment?
Is the school district correct in assuming the girls are equal in performance to boys. They are 95% sure their assumption is correct.
a) How is it possible that the minimum of the 365 values is 0 inches and the median is also 0 inches? b) Describe the distribution as symmetric, left-skewed or right-skewed.
Calculate GM's Altman Z-Score. Show your calculations. Based on your calculations, would you agree or disagree with Lutz that GM is over the worst? Explain in detail.
Significance level to test the claim that less than half (.5) of all executives identify that error as being the most common job interviewing error.
A survey of licensed drivers inquired about running red lights. One question asked, "Of every ten motorists who run a red light, about how many do you think will be caught?"
Using six-step critical value approach, at the 0.05 level of significance, is there evidence that population mean delivery time has been increased below previous population mean value of 25 minutes?
Assume X is an exponential random variable with parameter lambda. Find the method of moments estimator for lambda.
After polling every 8 th graduate, a major university estimated annual salary of its alumni to be $103,000. What sampling technique was used?
The heights in centimeters of 5 students are: 165, 175, 176, 159, 170. The sample median and sample mean are respectively:
Oxytocin is a naturally occurring brain chemical that is nicknamed the "love hormone" because it seems to play a role in the formation of social relationships such as mating pairs and child-parent bonding.
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