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In a random sample of 810 women employees, it is found that 81 would prefer working for a female boss. The width of the 90 percent confidence interval for the proportion of women who prefer a female boss is:
A. +_ .0288
B. +_ .0105
C. +_.207
D. +_0.196
E. None of the above
If its weekly cost function is C(x)=68,000+150x, how should the manufacturer set the size of the rebate in order to maximize its profit?
Time to help a stranger was investigated by a group of undergraduate psychology majors as a part of their Introduction to Research Methods course.
Describe the following types of sample designs, noting their similarities and differences. State also when it is appropriate to use each type of sample de- sign. Random sample and Simple random samples
For full marks use the coded method and round your answer to 1 decimal place.Find the slope for the trend-line.What is the intercept of the trend-line.
q1. the sum of squared deviations of each score from the grand mean is the .q2. what is the effect of a conservative
If 60% of Americans are right handed and 40% are left handed. If we randomly pick 15 Americans what is the probablity that all 15 are right handed?
If we want a 0.99 probability that the elevator will not be overloaded whenever 8 members are randomly selected as passengers, what should be the maximum allowable weight?
A business owner decides to use a binomial distribution to solve one of his problems. He knows there is a 60 percent probability that he will sell one of his Red Oak floors to any customer who comes into his shop and views the wood.
You must use Hadoop technologies to analyze the Yelp 2016 challenge dataset - Summarize the number of reviews by US city, by business category.
If an A is given to a student who scores 90% or above, what would the minimum z-score be for a 300 multiple choice question test with a mean of 195 and a standard deviation of 30?
To find out whether two categorical variables are independent, one should use the.
bentley foods inc. a large manufacturer of frozen foods has developed a new line of frozen pizza. management has agreed
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