Burned-out headlight
If 5 percent of automobiles in Oakland County have one burned-out headlight, what is the probability that, in a sample of 10 automobiles, none will have a burned-out headlight?
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Suppose the mean systolic blood pressure in a group of individuals is 150 mmHg, with a standard deviation of 15. Assuming SBP follows a normal distribution in this population, cimpute the following:
You want to compare response rates (percents) of two regimens. A power of 90% and a two-sided test of size 0.05 are desired. How many patients are needed to detect a difference between true response rates of p1=30% and p2=50%? Let the proportion in
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The probability of concluding that the true mean is less than 59 psi when in fact it is equal to 59 psi is only .05. The probability of concluding that the true mean is less than 59 psi when in fact it is equal to 59 psi is only .05.
The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons. The table below shows the probability distribution for X. What is the probability that at least 1 student comes to offic
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