a poll of randomly selected adults showed that % of them own cell phones. the technology display below results from a test of the claim that % of adults own cell phones. use the normal distribution as an approximation to the binomial distribution, and assume a significance level to complete parts (a) through (e).

Alex is the head photographer for the yearbook and the newspaper. she has a large staff of assistant photographers because they need to take pictures at all of the school events. she knows that some of her photographers have better cameras and can take action shots at sporting events, and that some of them are good at taking candid pictures in the hallways. she sets firm deadlines so she has enough time to look through all of the shots and choose the best ones. she gives her photographers constructive feedback to them improve their pictures. respectful enforcer warlord doormat peacemaker