Determining the expected winnings
What is your expected winnings if you win $30 on a roll of a double 6 (dice), and you lose $1 otherwise. (So the random variable X whose expectation you are trying to compute is 30 when you roll a (6,6) and -1 otherwise.)
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Assume that the material is linearly elastic and isotropic. Derive the square-root singular field of a mode III crack. Obtain the stress field and displacement field.
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A study of the attendance at the University of Alabama's basketball games revealed that the distribution of attendance is normally distributed with a mean of 10,150 and a standard deviation of 2,200.
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A baby's mouth is 30 cm from her father's ear and 1.50 m from her mother's ear. What is the difference between the sound intensity levels heard by the father and by the mother?
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A case-control study yields a 2x2 table with 2n observations in the upper-left cell, and n observations in each of the other three cells. Find the minimum value of n so that a 95% CI for the OR is entirely above 1.
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