The chemco company manufactures car tires that last distances. assuming such distances are normally distributed with a mean 36000 miles and a standard devaition 4200 miles in a tire is selected, what is the probabilty it lasts less than 30000 miles if such a random sample of 100 tires had a mean lasting distance of 30000 what can you say about the companies claim

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

What is the equation of a line passing through (-6,5) and having a slope of 1/3