answer the following question

Statistics Quiz 7a Name 1. The mean price for a particular car nationwide is $24,560 with a standard deviation of $390. What is the probability the sale price at a local dealership will be no more than $24,000. 2. The mean salary for chauffeurs is $29,200 with a standard deviation of $1500. What is the probability that: a) a selected chauffeur's salary is less than $28,500 b) 45 selected chauffeur's salary have a mean salary of less than $28,500 3. The mean length of an adult blue whale is 30.0 meters with a standard deviation of 5.7 meters. If a random sample of 31 whales is taken, what is the probability that their mean length differs from the population mean by less than 2 meters