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A congressman is interested in determining the fears of the people in his district. His team surveys 150 randomly selected eligible voters and discovers that 22% of eligible voters are afraid of George Lopez.
-How would I construct a 95% confidence interval and interpret interval.
-How do I explain what "95% confidence" means in this context.
-How do I find out how many would be needed need to sample to be 98% confident with a margin of error of only 3%?
A device is set to fill bottle of juice with only 330 grams. The amount of juice that device pours into bottles has a normal distribution with a mean of 330 gra
explain why the standard error of the mean decreases with increasing sample size. provide a mathematical explanation in
when is it appropriate to use an anova? what is the key piece of information you must know in order to
Cary Oakey computes the 95% confidence interval for the average time on the site as 4.2 ± 1.984(2.5/101). What is his mistake
poor milhouse is hopelessly in love with lisa. unfortunately for milhouse lisa does not feel the same way. however
What's the probability that a worker selected at random is female?- female or a production worker?- female, if the person works in production?
How does proprioception through muscle spindles differ from proprioception through Golgi tendon organs?
Find and interpret a 99% confidence interval for the proportion of all U.S. adults who are thriving (based on this definition).Is it reasonable to conclude that the majority of all U.S. adults are thriving? Why or why not?
the 70-year long-term record for weather shows that for new york state the annual precipitation has a mean of 39.81
Two positive point charges, each 18 µC , lie along the x-axis at x = -0.15 m and x = +0.15 m.
If the pretax cost savings are $115,000 per year, what is the NPV of this project? (A negative answer should be indicated by a minus sign.
The scatter plot shows the relationship between hours spent studying and exam scores. The line shown is the calculated line of best fit.
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