An electrician charges an initial fee of $70. Once at the house, she charges an additional fee at a rate of $37 per hour.
The total bill was $292 .
How many hours did she work?

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?