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Question: Spinning a quarter With your forefinger, hold a new quarter (with a state featured on the reverse) upright, on its edge, on a hard surface. Then flick it with your other forefinger so that it spins for some time before it falls and comes to rest. Spin the coin a total of 25 times, and record the results.
(a) What's your estimate for the probability of heads? Why?
(b) Explain how you could get an even better estimate.
What other examples can you think of where lots of different information is stored by a single function?
Develop the appropriate null and alternative hypotheses and what is the Type I error in this situation? What are the consequences of making this error?
Auditor wants to be within 7% of true proportion when using 95% confidence level. How many files should auditor sample?
A wireless data terminal has three messages waiting for transmission. After sending a message, it expects an acknowledgement from the receiver. When it receives the acknowledgement, it transmits the next message.
decide whether the normal sampling distribution can be used claim p does not equal .28 a.01 sample stats 0.19
the maker of a shampoo knows that customers like this product to have a lot of foam. ten sample bottles of the product
Figure out which year(s) sales persons' made more money by comparing the difference between 2012 to 2013, 2013-2014, and 2012-2014. Since each row belongs to a specific sales person, you need to do a specific analysis - what is it?
What is the expected value and what does it measure? How is it computed for a discrete probability distribution? Describe the two basic laws of probability
Prior to a statewide senate election, three polls are conducted concerning a particular candidate's popularity. In the first poll, 750 of 1500 voters favor the candidate.
Repeat the calculations in part b for samples of size 5 and 2. What effect does a change in the sample size appear to have on the dispersion of the sampling errors?
What roles did slavery play in the empires of the fifteenth century? Please reply in a one page essay using three outside sources besides your textbook. Please do not cite Wikipedia.
The following data have been collected from a hospital pharmacy. This service system operates as a single server, single channel system.
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