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Why do cell phone batteries die so fast? Is it because of the types of battery cells used or something else?
Business Economics, Economics
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A team of researcher randomly separates their Study's participants into two groups, giving one group a placebo and the other a new treatment to be tested. As the treatment i not experimental, both participants and resear ...
Please help me answer the following Kingsnorth et al. (2002) examined the case processing time (in days) from arraignment to disposition for cases processed by the Sacramento County District Attorney's office. For the 90 ...
Problem 1. A firm's production function C is given by C (q) = 0:5q 2+2q 1 2 +18, where q is the level of output. (i) Calculate marginal costs (ii) If all fixed costs are sunk, and the minimum price at which this firm wil ...
How could advertising be a barrier to entry? Could advertising reduce barriers to entry for a new product? Presumably drug companies are trying to differentiate their products from the competition. Will consumers be bett ...
If Average Fixed Costs are 9.7 and Average Variable Costs are 9.6 at 3 units of output, what are Average Total Costs? i.e., what are Average Total Costs per unit at 3 units of output?
A population has a mean mu=90 and a standard deviation sigma=20. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=254. mean/x= ? (simplify) sigma/x= ? ( type an integer o ...
A medical researcher is interested in determining whether a new medication for lung cancer is effective in a group of patients with early-stage disease. Explain what a Type I and Type II error would be in this study. (Be ...
Fabric is cut into pieces. Mean=96.2 Standard deviation=0.2. Randomly select 20 pieces. Determine the probability that 19 or fewer have a length less than 96.5 inches. Determine the probability that all 20 are between 96 ...
Sixty percent of adults have looked at their credit score in the past six months. If you select 31 customers, what is the probability that at least 25 of them have looked at their score in the past six months?
Suppose that you generate a random number between 0 and 1. (So all numbers are equally likely to come up.) a. Draw a probability distribution function for this situation. Label the axes so it is very clear! b. What is th ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As