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An ABC news program reported that a standard method for rendering patients unconscious resulted in patients waking up during surgery. These individuals were not only aware of their plight, they suffered from nightmares later.
Some physicians tried monitoring brain function during surgery to avoid this problem, the strategy being to give the patient more medication if they showed signs of regaining consciousness, and they found that among 200,000 trials, zero patients woke during surgery.
However, administrators concerned about cost argued that with only 200,000 trials, the probability of waking up using the new method could not be accurately estimated. Verify that a 0.95 confidence interval for p, the probability of waking up, is (0, .000015).
it is known that 60 of all students at a large university are female. a random sample of 8 students is selected.
Suppose 100 randomly selected customers were asked to rate a particular service they recently had on a scale of 0 to 10. The sample mean rating was found to be 7.3.
Finding the probability that a randomly selected cat will cost more than a randomly selected dog in terms of their annual medical costs.
during the past six months 73.2 of us households purchased sugar. assume that these expenditures are approximately
The J.O. Supplies Company buys calculators from a Korean supplier. The probability of a defective calculator is 10%. What is the probability that 4 or more of the calculators will be defective?
according to cnn business partner careerbuilder.com the average starting salary for accounting graduates in 2008 was at
A human society claims that less than 36% of US. households own a dog. In random sample of 397 U. S. households, 151 say they own a dog. At mean=0.03, is there enough evidence to support the society's claim?
The average service time at CheesePlate Restaurant is 3.5 minutes with a standard deviation of .04 minutes. A new order system claims it can improve service time
Likewise, the variance of the demand for the entire three week period is the sum of the individual weekly variances. But be careful! The standard deviation of the demand for the entire 3 week period is not the sum of the individual standard deviat..
What is the probability that ABC will lose money during a year? - There is a 5% chance that ABC will earn a return of at least what value during a year?
mr. brown owns two furniture stores. in store 1 the number of sofas sold per week by a salesperson is on average 13 per
the below two question must have a minimum 250 word count and use examples to support the solution. only use usa based
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