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A retail store has 200 new computers contains five defectives. If the school randomly bought 4 of these computers, find the probability that the school will get 1 defective computer. Please use the binomial distribution as an approximation to find the probability.
A political action committee decided to poll its membership to determine if they were in favor of a certain potential law, similar to gun control.
Suppose you attend a school that offers both traditional courses and online courses. You want to know the average age of all the students. You walk around campus asking those students that you meet how old they are. Would this result in an unbiase..
Can we conclude at a 98% level of confidence, that the mean number of hours per day using the computer by students at IUP is the same as the typical student's usage?
You will watch some informative videos to become familiar with SPSS, enter data, and then answer some basic questions about a data set
What are the independent variables and their levels? What is the dependent variable? State all null hypotheses associated with independent variables and their interaction? Also suggest alternate hypotheses
A customer wants to estimate the average delivery time of a pizza from the local pizza parlor. The customer wants to obtain a sample mean that falls within 3.204 minutes of the true average delivery time with 99% confidence. If the customer knows ..
the owner of the pizza palace wishes to include in an advertisement a statement about the number of different kinds of
What are the null and alternative hypotheses for this test? Use ANOVA and the 0.05 level of significance in testing the null hypothesis identified in part (a).
suppose that the amount of time between consecutive surges in an electricity network has an exponential distribution
The ranking procedure described in Exercise 35 is somewhat asymmetric, because the smallest observation receives rank 1, whereas the largest receives rank 2, and so on.
Suppose that in a random sample of 300 employed Americans, there are 57 individuals who say that they would fire their boss if they could. Calculate a 95% confidence interval for the population proportion. Write a sentence or two that interprets t..
After six months each pilot's cholesterol level is checked again. At the 0.01 significance level, can we conclude that the program was effective in reducing cholesterol levels?
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