A taxi company is trying to decide whether to purchase Brand A or Brand B tires for its fleet of taxis. To estimate the difference in the two brands, an experiment is conducted. In January 2019, Brand A tires were put on 8 taxis, and Brand B tires were put on 8 (different) taxis. The tires were used until they were worn out. The results were
Construct a 94% confidence interval for the difference between the average distance traveled before they were worn out. Assume normal populations.

How is working backward similar to solving an equation?

Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)