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There is a new treatment for smokers to stop smoking. In an experiment, 85% of 300 smokers quit after 10 days of the treatment. What is the reasonable range for the success rate p of our new treatment? Which is the 95% confidence interval?
Statistics and Probability, Statistics
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An investor considers investing $10,000 in the stock market. He believes that the probability is 0.30 that the economy will improve, 0.40 that it will stay the same, and 0.30 that it will deteriorate. Further, if the eco ...
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How does a histogram help us know the probability of getting a certain value for a variable? In other words how does the histogram relate to probability?
A bond that makes payments in a certain currency contains the risk of holding that currency and so is priced according to the yields of similar bonds in that currency.
What P-value was found when determining whether there is a difference in the IQ of girls and boys in problem 6? Should you reject the null hypothesis? 1. P-Value = 0.465. Yes, you should reject the null hypothesis which ...
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What are the minimum, first quartile, median, third quartile, maximum, interquartile range, and range of the data set below? Make a box-and- whisker plot. 25, 25, 30, 35, 45, 45, 50, 55, 60, 60
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