In a random sample of cell phones, the mean full retail price was $ and the standard deviation was $. Further research suggests that the population mean is $. Does the t-value for the original sample fall between and ? Assume that the population of full retail prices for cell phones is normally distributed.

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?