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A May 2007 Gallup Poll found that only 11% of a random sample of 1003 adults approved of attempts to clone a human.
Find the margin of error for 95% confidence.
A) 0.016
B) 0.019
C) 0.038
D) 0.032
Statistics and Probability, Statistics
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Determine the minimum sample size required when you want to be 98% confident that the sample mean is within two units of the population mean. Assume a standard deviation of 4.82 in a normally distributed population.
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A statistics student has collected data from a random sample of 20 college students at his school. He collected data on many variables including GPA (grade point average) and how many hours per week they play video games ...
A cupcake stand has 40 chocolate, 30 coconut and 20 banana cupcakes. Alice chooses 20 cupcakes at random to make a box as a present for her friend. What is the probability that she chose a. Eight banana and 6 coconut cup ...
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