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How large of a sample, n, would you need to estimate p with margin of error 0.01 with 95% confidence? use the guess p=0.05 as the value for p.
a. n=49
b. n=1500
c. n=4800
d. n=9604
Assume the cholesterol levels of adult American women are normally distributed with a mean of 190 mg/dL and a standard deviation of 26 mg/dL. What percent of adult women do you expect to have cholesterol levels at least 200 mg/dL?
What symbol is used to represent the mean of the sampling distribution of y-(ybar)? Explain and what symbol is used to represent one value from the sampling distribution of y-(ybar)? Explain
a recent survey asked american adults how often they volunteered for charity. in the sample of 1974 people 51 said more
accounting procedures allow a business to evaluate their inventory at lifo last in fi rst out or fifo first in first
during the national football league nfl season las vegas oddsmakers establish a point spread on each game for betting
Estimate the percent that did not have any dental expense. What was the cost for the 10 percent of employees who incurred the highest dental expense?
A basketball player shoots 8 free throws during a game. If we assume that each attempt has the same probability of success, the sample space for the number of baskets he/she makes during the game is ??
In an effort to counteract student cheating, the professor of a large class created four versions of a midterm exam, distributing the four versions among the students in the class.
If you take the mean weights for random groups of 10 adults and form a new distribution, how will this new distribution compare to distribution of individuals?
1. an automated weight monitor can detect under filled cans of beverages with probability 0.98. what is the
a researcher reports that the correlation between age and physical health of adults over 50 is -.69. one can conclude
Use the following information from a normal population with mean μ = 52 and variance σ2 = 22.5 to calculate the following questions.
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