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Of 97 adults selected randomly from one city, 63 have health insurance. Create a 95% confidence interval for the true proportion of all adults in the town who have health insurance.
What are the lower and upper bounds of the confidence interval?
Using Line #1, residuals are calculated and they do not sum to 0. Using Line #2, residuals are calculated and they do sum to 0.
suppose small aircraft arrive at a certain airport according to a poisson process. the mean time between arrivals of
Let X be the random variable which counts the number of cars that, in a given unit of time, pass by Joe's Barber Shop on Main Street. What is the distribution of X?
For population with mean of µ=60 and a standard deviation of s=24. Determine the z score corresponding to each of following samples.
Determine the point estimate, then construct the 95%con?dence interval for µ7 = the average attitude toward Springdale Mall. What is the maximum likely error in the point estimate of the population mean?
Regression line drawn as y = c + 1075x, when x was 2, and y was 239, given that y intercept was 11. Calculate the residual
The best fitting line minimizes the vertical distances from the points to the line. Hence,the Y coordinate of a point on the best fitting line provides.
describe the differences between discrete and continuous normal probability distributions. what are some
what proportion of a normal distribution is located in the tail beyond a z-score of z
What if the size for each sample were increased to 20? Would a sample mean of 115 or more be considered unusual? Why or why not? Why is the Central Limit Theorem used?
A two-standard-deviation interval is called the margin of sampling error (or the margin of error or the sampling error) by most pollsters.
What is the difference between a competitive bid and a noncompetitive bid in a T-bill auction?
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