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In the batch of 8,000 clock radios 9% are defective. Sample of 6 clock radios is arbitarily selected without replacement from 8,000 and tested. Entire batch will be rejected if at least one of those tested is defective. Determine the probability that entire batch will be rejected?
Why are you no longer directly comparing sample means? How does using the F test - the analysis of variance (ANOVA) reduce your Type I error rate? What is the difference between a within-groups and a between-groups variance?
What is the P-value of the test, assume the standard deviation is 3 years, a 95% confidence interval for the average time
How many departments would they need to survey to achieve this level of accuracy with 95% confidence?
A committe studying employer-employee relations proposed that a rating system be adopted. Each employee would rate his or her inmediate supervisor and in turn the supervisor would rate each employee.
Write the example of statistics in news to explain the following statement which represents one of the objectives of statistics analysis: "Statistics assists us make decisions.
At the .01 significance level, can we conclude that the 30-yeer mortgage rate for small banks is less than 6 percent? Estimate the p -value.
When the level of confidence and sample size remain the same, a confidence interval for a population proportion π will be __________ when p(1-p) is larger than when p(1-p) is smaller.
Solution utilizing graphical method. Compute the following linear programming problem. Among which of the following points (X, Y) is not a feasible corner point.
A consumer organization wants to know if there is a difference in the price of a particular toy at three different types of stores. The price of the toy was checked in a sample of five discount toy stores, five variety stores
About 68% of the students at fairview community college favor a new policy regarding parking on campus. suppose that we are interested in the proportion of 45 students in a math class who favor the policy.
Critically discuss some examples of descriptive statistics? Why are they used in research? What is a confidence interval?
Derive the probability that a receptor is occupied by a ligand using a model which treats the L ligands in solution as distinguishable particles.
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