Consider the probability that greater than 93 out of 157 software users will not call technical support. Assume the probability that a given software user will not call technical support is 60% .Approximate the probability using the normal distribution. Round your answer to four decimal places.

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

What is a graph with a never ending line called?