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In survey of women in a certain country (ages 20-29), the mean height was 63.4 inches with a standard deviation of 2.92 inches. Answer the following questions about the specified normal distribution.
Construct a 88% confidence interval for the mean femininity score of all male hotel managers and estimate the percent change amongst lactating mothers to within ± 0.5% with 99% confidence. How large a sample of nursing mothers do you need?
Difference between the variances in assembly times (in seconds) of employees trained in a computer-assisted, individual-based program and those trained in a team based program?
A sample of 55 is used and the population standard deviation is 6. Use the critical value approach to state your conclusion for each of the following sample results. Use = .05.
A company is considering expansion of its current facility to meet increasing demand. If demand is high in the future, the major expansion would result in an additional profit of $800,000, but if demand is low then there would be a loss of $500..
Q-mart is interested in comparing its male and female customers. Q-mart would like to know if the amount of money spent by its female charge customers differs, on average, from the amount spent by its male charge customers. To answer this question, a..
Question 1: ABC Corporation has used regression analysis to perform price elasticity analysis. In doing so management regressed the quantity demanded (y variable) against price (x variable) with the following results:Multiple R .86798 Adjusted R squa..
Customers arrive at an automated coffee vending machine at a rate of 3 per minute, following a Poisson distribution. The coffee machine dispenses a cup of coffee in exactly 15 seconds.a. What is the average number of people waiting in line?
What is the dependent variable and what is the categorical variable - What does this mean in terms of the alternative hypothesis?
1) Western Clothing Company produces denim jeans. Each month the company incurs a fixed cost of $10,000 and variable cost of $8 per pair of jeans. Demand for the jeans depends on the price (P) according to the following relationship: Demand = 1,500 -..
In recent years the irradiation of food to reduce bacteria and preserve the food longer has become more common. A company that performs this service has developed four di erent methods of irradiating food. To determine which is best, it conducts a..
find the correlation between anca and the clinical manifestations k l c gi msk n ent s. nbspwe want to find out which
What is the difference in proportions in the original data and what is the p-value and what does it mean in terms of this specific problem
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