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A certain drug treatment cures 90% of cases of hookworm in children. Suppose that 20 randomly selected children suffering from hookworm are to be treated, and that the children can be regarded as a random sample from the population. Find the probability that (a) all 20 will be cured. (b) no more than 2 will be cured (c) more than 78% will be cured. (d) no more than 95% will be cured (e) What is the mean and standard deviation of the number of cured out of 20?
The owner of a single-family home would like to develop a model to predict electricity consumption in his house, based on average atmospheric temperature in degrees Fahrenheit.
Will all three approaches always result in the same conclusion? Explain.
question 1 1.a recent study by a major financial investment company was interested in determining whether the annual
Use the Excel Analysis ToolPak to find the linear correlation coefficient for the systolic and diastolic measurements.
systolic and diastolic blood pressure of femalesthe following table represents systolic and diastolic blood pressure
How do small companies compare to the major competitor and Has satisfaction with the manufacturer changed since the change in company ownership?
1) A coin is flipped 14 times. Use the normal approximation to the binomial distribution to calculate the probability of a total of 4,5, or 6 heads. Compare this to the binomial probability.
Critical Thinking
What is the correlation coefficient and do the data provide sufficient evidence to conclude that the number of years of study and test score are linearly positively correlated? Use α = 0.01
Design and describe a computer-based simulation model
1. Provide a recommendation to the president that maximizes profits
What is the preventive maintenance cost that makes the manager indifferent between a one week and a two week preventive maintenance strategy?
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