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A report states that 46% of home owners have a vegetable garden. How large a sampl.e is needed to estimate the true proportion of home owners who have vegetable gardens to within 4 percentage points with 95% confidence?140, 238, 309, 476
Statistics and Probability, Statistics
Assignment - In this assignment MS Excel must be used to perform any calculations/graphical presentations as required in this assignment. Question 1 - Below you are given the examination scores of 20 students (data set a ...
What is the 99% confidence interval for a sample of 52 seat belts that have a mean length of 85.6 inches long and a standard deviation of 3.8 inches?
Given that X is binomially distributed with n = 36, and p = 0.33, use the normal approximation to the binomial (with correction for continuity) to estimate the probability that X is less than 14? Round your answer to 2 p ...
A survey asks 20002000 ?workers, "Has the economy forced you to reduce the amount of vacation you plan to take this? year?" FiftyFifty?-fourfour percent of those surveyed say they are reducing the amount of vacation. Twe ...
On average, the parts from a supplier have a mean of 97.5 inches and a standard deviation of 12.2 inches. Find the probability that a randomly selected part from this supplier will have a value between 85.3 and 109.7 inc ...
Question: Suppose you have applied to three graduate schools: A, B, and C. The odds of getting into A are 20%, into B are 40%, and into C are 60%. What is the probability you get rejected at all three schools? Get accept ...
A recent study found that 64?% of workers between the ages of? 20-29 cash out their retirement accounts when they lose their jobs or move to a new employer. Complete parts a through e below based on a random sample of 14 ...
We want to estimate the mean weight of all 7th grade boys in a city. It is not known whether the distribution of the weights is normal or not. Suppose we have a random sample of 64 boys from 7th grade from that city and ...
Total cholesterol in children 10 to 15 years of age is assumed to follow a normal distribution of 191 and a standard deviation 22.4. What proportion of children 10 to 15 years of age has total cholesterol between 180 and ...
A Diamond can be classified as either gem qulaity or industrial grade. Suppose that 92% of diamonds are classified as industrial grade. Would it be unusual if atleast one of five randomly selected diamonds is gem quality ...
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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