The graph shows the distance in miles, d, a car travels in hours. Car Travels
300
200
Distance (miles)
100
0123456
Time (hours)
Explain why the graph does or does not represent a proportional relationship
between the variables d and t
*1 point for correct answer, 1 point for explanation"
care
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Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?