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A company purchases shipments of machine components and uses this acceptance sampling plan: Randomly select and test 20 components and accept the whole batch if there are fewer than 3 defectives. If a particular shipment of thousands of components actually has a 8% rate of defects, what is the probability that this whole shipment will be accepted? Round to three decimal places.
1. the comfort widget company makes several different sized widgets. the smallest widget the company manufactures
The US Census Bureau announce that the median sales price of new houses sold in April 2009 was $221,600 while the mean sales price was $274,300. Assume that the standard deviation of the prices is $90,000.
A multiple choice test has three questions with 5 possible answers (and oly one right answer each). You decide to randomly guess the right answer.
in a community with a population of 10000 people the prevalence of a certain disease is 5. a screening test for this
What is the proportion of people surveyed that rated the subway system from 3 to 4. What is the proportion of people surveyed rated the Subway System from 1 to 3.
An accounts receivable auditor is examining accounts for a client. The accounts receivable balance can be considered as a continuous random variable that exhibits normal distribution characteristics.
Experience ranges from 0 to 3. University ranking ranges from 1 to 4 (with 1 being the highest rank), and the Wonderlic test ranges from 0 to 50.
the file contains the total cost for four tickets two beers four soft drinks four hot dogs two game programs two
In a distribution of scores, the arithmetic mean is 51, the median is 55, and the mode is 62. What is the score, in percentile form, of a subject who does less well than two-thirds of the sample?
For machine gun ammunition to be acceptable, the US Army requires that 96 percent of rounds fired hit a specified target. The test is to fire a 50 round burst at the target and observe whether this condition is met.
At most times the metrics are low but they rise drastically when a child feels stress. The researcher wants to estimate a baseline level for the metrics.
24 of the students in the sample received an "A". Test the instructor's claim at a 5% level of significance. What is your conclusion?
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