Patients with the degenerative knees
Microfracture knee surgery has the 75% chance of success on patients with the degenerative knees. The surgery is performed on 5 patients. Find out the probability of the surgery being successful on more than three patients?
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A standard IQ test has a mean of 98 and the standard deviation of 16. We desire to be 99% certain that we are in 8 IQ points of the true mean. Compute the sample size?
Find the probability distribution for the random variable and find out the mean and standard deviation of the random variable x.
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Sales department finds that revenue, R(x), from selling x units will be R(x) = 110x, but that no more than 482 units can be sold at given price. Determine and infer (R - C)(482) where R - C = P(x), profit.
Given the class midpoints in the histogram below, make the corresponding grouped frequency distribution the midpoints are 0, 1, 2, 3,4,5,5 and the numbers below graph are 11.5,15.5,19.5,23.5,27.5,31.5
A roll of plastic-coated wire has the average of 0.09 flaws per 5-meter length of wire. Assume a quality control engineer will sample a 5-meter length of wire from the roll of wire 230 meters in length. If no flaws are found in the sample, the eng
A car of 1290-kg collides with a stationary car of 1520-kg, and the cars stick altogether. Just after the collision, the speed of the two cars is 8.31 m/s. Determine the speed of the moving car just prior to the collision?
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