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A coin tossed 100 times and 530 heads appear. At a=0.05, test the claim that this is a non biased coin. Use a P-Value. does this suggest the coin is fair? Show all of your work including curve and make your conclusion in verbiage a layman can understand.
Explain why comparing children whose parents chose a Montessori school with children of other parents would not show whether Montessori schools perform better than other programs?
A probability value of .25 means that an event will occur:
What is the total amount spent on consumer goods?
At the .01 level of significance, is the true mean greater than 10?
Do sit down restuarant franchises and fast food franchises differ significantly in stock price? Specifically, is the average stock price for sit-down restaurants different from the average stock price for fast food restaurants?
If random samples of size of 75 is selected, the standard error of the proportions of student in the sample, who are minority students is
Give critical test statistic and compute sample test statistic. Test null hypothesis at alpha level .01.
If an applicant is randomly selected, find the probability of a rating that is between 200 and 275.
Assume that the smiling time of eight-week old babies, in seconds, follows a uniform distribution between 0 and 23 seconds, inclusive. This means that any smiling time from 0 to and including 23 seconds is equally likely.
What is the population from which your sample has been taken? Description of data taken from other sources. Preliminary analysis using histograms, box plots, scatter plots, etc. and investigation of outliers. Do you keep or discard identified outl..
A human resources director, on learning about the regression effect, decides to hire people who have been fired by their previous employer for poor performance.
Which of the variables below do you think will be roughly normally distributed? Please select all that apply.
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