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1. A manufacturing intraocular lens is in a process of verifying a polishing machine. The polisher will be accepted only if the percentage of polished lenses containing surface defects does not exceed 1.5%.They took a sample of 300 lenses and found 5 lenses that had surface defect. Formulate a test appropriate for verification of polishing machine using α = 0.05. Please provide the steps of the formulated test. Problems are not to be resolved with statistic software.
2. 15 boxes of 350 grams corn flakes sodium content were determined. Data (in milligrams) are as follows: 128.77, 131.15, 129.65, 132.33, 130.54, 130.72, 131.67, 133.02, 127.98, 130.12, 129.37, 129.91, 130.19, 128.64 and 131.62.There is enough evidence, at a significance level of 10%, to conclude that this brand of corn flakes average sodium content is 130 milligrams? Please provide the steps. Problems are not to be resolved with statistic software.
Joe Mauer of the Minnesota Twins had the highest batting average in the 2009 Major League Baseball season. His average was .461. So assume the probability of getting a hit is .461 for each time he batted. In a particular game, assume he batted fou..
find the number of units that produces a maximum revenue. the revenue r is measured in dollars and x is the number of
The total cholesterol level of US females 2 years old or older is normally distributed with a mean of 206 mg/dl and a standard deviation of 44.7
You manufacture and sell an iron rod whose electrical conductivity is supposed to be 10.1. You plan to make 6 measurements of the conductivity of a rod you plan to sell.
Find/discover an example of statistics in the news to discuss the following statement that represents one of the objectives of statistics analysis: "Statistics helps us make decisions based on data analysis.
According to a recent poll, 53% of Americans would vote for an incumbent president. If a sample of 100 people results in 45% who would vote for the incumbent, test the claim that the percentage is 53%. Use a .10 significance level.
State the number of degrees of freedom that are associated with each of the following extra sum of squares and why this is the case:
a simple random sample of 16 different cereals is obtained and the sugar content in grams of sugar per gram of ceral is
A Harris poll of 1012 adults resulted in 870 who say that they always wear a seat belt in the front seat. Find the value of the test statistic z for proportion.
use the rule of 70 to find the approximate doubling time for a population whose annual growth rate is 0.7 u.s.? and
What method has been used to transform Model 1 to Model 2? Equations for Model 1 and Model 2 are as follows:
the fda is comparing the mean caffeine contents of two brands of cola. independent random samples of 6-oz. soda cans of
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