"the rates of on-time flights for commercial jets are continuously tracked by the u. s. department of transportation. recently, southwest air had the best rate with 80 % of its flights arriving on time. a test is conducted by randomly selecting 15 southwest flights and observing whether they arrive on time. (a) find the probability that at least 3 flights arrive on time."

What is the quadric regression equation that fits these data

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?