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What is the confidence level? A sample of 45 eggs yields a mean of 1.37 ounces. Assume that the standard deviation is 0.53 ounces what is the margin of error at the 95% confidence level.
Statistics and Probability, Statistics
A random sample of 25 values is drawn from a mound-shaped and symmetric distribution. The sample mean is 12 and the sample standard deviation is 2. Use a level of significance of 0.05 to conduct a two-tailed test of the ...
A spinner is divided into five equal sectors labeled 1 through 5. What is the probability of getting at most two prime numbers in three spins?
The Gallup Poll once asked a random sample of 100 adults. " Do you happen to jog?" Suppose 50 of these adults answered 'Yes,I jog" Based on this sample what is the estimated probability that 40% or less of all adults jog ...
Suppose a sample space has things a,b and c. Twice, draw from the sample space and replace. The possible sequences formed are {aa, ab, ac,ba,bb, bc,ca,cb,cc} Now suppose there are Y different things. There are Y ways the ...
Felcor stock is currently selling for $40.00 a share but is expected to either decrease to $36 or increase to $44 a share over the next year. The risk-free rate is 4 percent. What is the current value of a 1-year call op ...
Jane and John Doe are twins. Jane saves $10,000 per year from age 25 to 34 and nothing from age 35 onward (10 years of saving in total). John saves nothing from age 25 to 34 and $10,000 from age 35 to 64 (30 years of sav ...
A representative from your company visited a prison and sampled 500 prisoners in Kailil, concluding that 90 of them are political prisoners. The Test hypothesis, at the 5% significance level, that one third of the prison ...
An insurance company is selling a perpetuity contract that pays $2,00 monthly. The contract currently sells for $100,000. (a) What is the monthly return on this investment vehicle? (b) if instead the amount of monthly in ...
The following data represents rain fall (x) and yield of paddy per hectare (y) in a particular area. X 113 102 95 120 140 130 125 Y 1.8 1.5 1.3 1.9 1.1 2.0 1.7 Fit the regression equation x and y. Estimate Y when x= 145. ...
Why are scattered plots necessary when investigating the relationship between quantitative variables?
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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