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A processor of carrots cuts the green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment. To test the weight of the boxes, a few were checked. The mean weight was 20.4 pounds, the standard deviation 0.5 pounds. How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds?
Assume a business researcherwishes to test hypothesis that greater proportion of marketing managers keep track of such obligations.
What statistical procedure was used to analyze data in study B?
Hours worked is important predictor of amount of sales.
Illustrate for what value does probability XYZ will offer a competing product will ABC be indifferent among the alternatives.
The manufacturer of a coffee dispensing machine claims the ounces per cup is normally distributed with population mean equal to 8 ounces and standard deviation equal to 0.9 ounces. If 50 cups of coffee were measured, what is the possibility that- ..
Given length an athlete throws a hammer is a normal random variable with mean 50 feet and standard deviation five feet, what is the probability he throws it: Between 50 feet and 60 feet.
Set-up/solve the problem graphically. (How many ceiling fans and how many floor fans should be made?)
Find the probability that an eligible voter selected at random will have the following characteristics.
What is the probability that a particular driver had exactly two speeding violations?
Using ANOVA, determine if there is a significant difference in the six year graduation rate by type.
To test the given claim using Single Proportion Z test.
Drug sniffing dogs must be 95% accurate. A new dog is being tested and is right in 46 of 50 trials. Find a 95% confidence interval for the proportion of times the dog will be correct.
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