A car dealer at Acme Motors claims that the average price of cars on his lot is not equal to $17200 . Assuming that the population is normally distributed and the population standard deviation is $1559. Test the dealer's claim at a 0.02 significance level. a.) The null and alternative hypothesis would be: Ho:p = 17200 Ho: / = 17200 Ho :p =17200 Ho: M = 17200 Ho:/ = 17200 Ha: p 17200 Ha:p > 17200 Ha:p