Write the nul and altematie hopotheses you would use te test each of the situations in pars (a) through (c). (a) A mayor is concerned about has "posityes," that is, the perosntage of cily resisents who express epproval of his job performanco. Hiss poitical ocmmitoe payy for a saries of TV ads. hopng ttet they can knep tha posibves abeve 60%. They wit use filow up poling to sssess the ads' efectiveness. Let p be the proporton of cify cosidants whe express appreval of the mayor's parformance (b) Is a faenty sided do fair? Let p cepresent the probabiliy of the die landing on any particular side. H0:FHA:P201201 people ahe ty to be more ascertive and suoceed. H0:PHA=P 0.300.30.