Roller coaster ride: a roller coaster is being designed that will accommodate 60 riders? the maximum weight the coastercan hold safely is 12,000 pounds? according to the national health statistics reports, the weights of adult us. men havemean 194 pounds and standard deviation 65 pounds, and the weights of adult us, women have mean 164 pounds andstandard deviation 7 pounds. a? if 60 people are riding the coaster, and theirtotal weight is 12,000 pounds, what is their average weight? b, if a random sample of 60 adult men ride the coaster, what is the probability that the maximum safe weight will beexceeded? c if a random sample of 60 adult women ride the coaster, what is the probability that the maximum safe weight will beexceeded?

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.