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1.) Past research has found that 'Hours of sleep within the population of the US has a Normal Distribution with a mean of 7 and

1.) Past research has found that 'Hours of sleep" within the population of the US has a Normal Distribution with a mean of 7 and a Standard Deviation of 1. Using the percentages listed in the normal distribution (34.13, 13.59, 2.15, .13) What is the probability that we would have a subject report having 8 or more hours of sleep? Type a answer as a statement within a percentage

2.) If we wanted to determine the appropriate sample size for looking at this relationship based on our alternative hypothesis, with Power 80%, Alpha set at 5%, and a large effect size of 0.8, how many people would we need to part in our study?

Alternative hypothesis: Hours of sleep have a significant effect on the consumption of coffee in a day.

Data:

Ave Cups Coffee Avg Hours Sleep
1 8
2 8
3 7
5 5
2 7
4 6
3 6
8 4
1 9
5 6
5 5
2 7
6 4
2 8
4 6
1 7
2 7
3 6
4 5
5 5

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