Prоvide аn аpprоpriаte respоnse.Giselle bakes six pies a day that cost $2 each to produce. On 30% of the days she sells only two pies. On 15% of the days, she sells 4 pies, and on the remaining 55% of the days, she sells all six pies. If Giselle sells her pies for $5 each, what is her expected profit for a day's worth of pies? [Assume that any leftover pies are given away.]
Prоvide аn аpprоpriаte respоnse.Giselle bakes six pies a day that cost $2 each to produce. On 10% of the days she sells only two pies. On 11% of the days, she sells 4 pies, and on the remaining 79% of the days, she sells all six pies. If Giselle sells her pies for $5 each, what is her expected profit for a day's worth of pies? [Assume that any leftover pies are given away.]
Prоvide аn аpprоpriаte respоnse.A physical fitness association is including the mile run in its hight school fitness test. The time for this event is known to possess a normal distribution with a mean of 470 seconds and a standard deviation of 40 seconds. The fitness association wants to recognize students whose times are among the top (or fastest) 10% with certificates of recognition. What time would a student need to beat in order to earn a certificate of recognition from the fitness association?