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Suppose we select an SRS of size n = 100 from a large population having proportion p of successes. Let p be the proportion of successes in the sample. For which value of p would it be safe to use the Normal approximation to the sampling distribution of p? Please show your work.
What is the probability that the number of granite selected for analysis is within 1 standard deviation of it means value.
Based on observations of a few third graders in the lunch line, they assess P(P) as 0.75. More convincing evidence that P(P) is .75 would be?
binomial distribution a large firm allows a discount on any invoice that is paid within 90 days. of all invoices 10
Create a real-world situation or problem that could be addressed using an independent- or related-samples t test. Create this situation or problem, that clearly identify the independent and dependent variables to study
Using the original data, estimate the population standard deviation with 90% probability.
if the probability of success is 1100 how many trials are necessary in order that probability of at least one success
Find the probability that the time taken for a randomly chosen customer to be dealt with by a cashier is more than 180s.
What is the Bonferroni adjustment? What would the Bonferroni adjustment be for a study with four groups for which a researcher decided to use t-tests?
Discuss how the statistical application of Pearson r is used for hypothesis testing. Through application of the Spearman Correlation discuss what type of data the Pearson formula can be used for.
If you were to accept the null hypothesis, even though the null hypothesis was false, what type of error would you have commited?
An urn contains w white chips, b black chips, and r red chips. The chips are drawn out at random, one at a time, with replacement. What is the probability that a white appears before a red?
From the given research, compare the major players better at batting than 20 years ago using five step hypothesis.
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