How large a sample is necessary
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Find the average caller "on hold" time if the company maintains that no more than 9% of callers wait more than 6.6 minutes.
According to a study 7% of the population has lung disease. Of those having lung disease, 90% are smokers. Of those not having lung disease, 25.3% are smokers. Determine the probability that a randomly selected smoker has lung disease.
The course is PHI 201 Intro to ethics. The book is called, never let me go by Kazuo Ishiguro.
Assume the probability that a person has the desease is 0.08 for all people, independently of each other. Compute the total expected number of tests necessary.
A researcher wishes to estimate, within $25, the true average amount of postage a community college spends each year. If she wishes to be 90% confident, how large a sample is necessary if the standard deviation is known to be $80?
How can you use the study techniques recommended for your personality type and strongest intelligence(s) to function best in a distance learning environment? Which techniques can you use to improve less- developed personality areas or intelligences?
The cutoff t needed is -1.833. The standard deviation of the distribution of means of change scores is 2.0 and the mean change score for the sample studied is an increase of 5.2. What is the t score?
What is the structure of the sun? What is the structure of the sun?
Declining interest in traditional media on the part of young americans.
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A 6-year-old girl presents with puffiness around the eyes, which is usually worse in the morning.
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