according to a​ report, the monthly cell phone s was ​$ three years ago. a researcher suspects that the monthly cell phone s is today. ​(a) determine the null and alternative hypotheses. ​(b) explain what it would mean to make a type i error. ​(c) explain what it would mean to make a type ii error. question content area bottom part 1 ​(a) state the hypotheses. ​: sigma equals ​$ 49.95 ​: sigma less than ​$ 49.95 ​(type integers or decimals. do n