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James Burke claims that about 70% of all single men would welcome a women taking the initiative in asking for a date. A random sample of 20 single men were asked if they would welcome a women taking the initiative in asking for a date. What is the probability that come a women taking the initiative in asking for a date. What is the probability that:
a. at least 18 of the men will say yes?
b. fewer than 3 of the men will say yes?
c. none of the men will say yes?
d. at least 5 of the men will say no?
The following data represents 15 quarters of manufacturing capacity utilization (in percentages) Evaluate three and four quarter moving average for this time series. Which moving average provides the better forecast for the fourth quarter of 2003?
Suppose the Doctor would be content with 95% confidence. How does the decrease in confidence affect the sample size required?
prevent coronary artery vasoconstriction and the attendant reduction in blood flow to the heart and mechanical function.
Determine the margin of error that corresponds to the given values of n (times) and x (successes) and the degree of confidence: n=1400, x=420, 95%. Go 3 decimal places of precision.
The statistical technique used in the regression analysis. The sum of squares is a mathematical approach to determining the dispersion of the data points.
Elizabeth Bailey is the owner and general manager of Princess Brides, which provides a wedding planning service in Southwest Louisiana.
If 64 students were randomly sampled, the probability that the sample mean of the sampled students exceeds 73.5 minutes is approximately 0.
Assume the least squares equation is Y' = 10 + 20X. What does the value of 20 indicate?
One normal curve has mean 23 and standard deviation 1, a second normal curve has mean 5 and standard deviation 10. The curve that is more dispersed, or spread out, is
Assume that stock is currently selling for $100. The change in the stock's price throughout the nest year follows a normal random variable with a mean of $10 and a standard deviation of $20.
In a binomial distribution n = 8 and π = 0.2. Determine the probabilities of the following events.
Please use the regression procedure within Excel under Tools > Data Analysis to construct this equation.
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