Astatistician believes that the standard deviation of the weights of firemen is less than 25 pounds. a sample of 20 firemen had a standard deviation of 23.2 pounds. assume that the variable is normally distributed witha = 0.05 .what is the critical value? a) 31.410b) 30.144c) 10.851d) 10.117

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.