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A machine is supposed to mix peanuts, hazelnuts, cashews and pecans in the ratio 5:2:2:1. A can containing 500 of these mixed nuts was found to have 269 peanuts, 112 hazelnuts, 74 cashews, and 45 pecans. At the 0.05 level of significance, conduct a nonparametric test that the machine is mixing nuts in the ratio 5:2:2:1.
Is it true that one of the important properties of time series models is that some sort of pattern in the data over time should be detected first and then used within the model?
Assuming that both patients are on time, find the expected amount of time that the 1:30 appointment spends in the doctor's office.
What can you tell me about the direction, strength and significance of this association and What would you expect for somebody without any formal education whatsoever and what can you tell me about the nature of this relationship?
Clark Heter is an industrial engineer at Lyons Products. He would like to determine whether there are more units produced on the afternoon shift than on the day shift.
The quality-control department took a random sample of 50 cans and found that the arithmetic mean weight was 16.05 ounces? Determine the p-value.
You are reviewing a scientific study where the epidemiologists sampled 1000 people from Charleston, South Carolina and measured variation at two loci, A and B.
Given following financing project being considered by venture film, determine critical path probability of completion by 17 weeks.
What size sample would be required to estimate the proportion of unemployed college students if we want the margin of error not to exceed 5 percent?
What type of probability distribution will most likely be used to analyze the number of chocolate chip parts per cookie in the following problem?
Create a 95% confidence interval for the population mean days absent for sickness based on this sample. Select the answer closest to your results.
What sample size is needed to estimate the proportion of Americans who favor tougher gun control with 95% confidence and maximum error of 3%. Assume past studies indicted that the proportion is around 40%.
Her students this semester can be considered a sample from the population of all students she might teach, so she compares their mean score with 72.
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