12. A political scientist surveys 36 of the current 153 representatives in a state's legislature. What is the size of the sample: What is the size of the population 13. The city of Raleigh has 7800 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 400 randomly selected registered voters was conducted. 192 said they'd vote for Brown, 194 said they'd vote for Feliz, and 14 were undecided. Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a fraction or decimal, not a percent. This sample statistic suggests that we might expect of the 7800 registered voters to vote for Brown.?. You want to buy a 31?, car. The company is offering a 4% interest rate for 43 months {4 years]. What will your monthly payments be? 8. Suppose you want to have $500,:J for retirement in 25 years. Your account earns Tia\" interest. How much would you need to deposit in the account each month? 9. You have SLUUG on a credit card that charges a 13% interest rate. If you want to pay off the credit card in 4 years, how much will you need to pay each month {assuming you don't charge anything new to the card]? 10. You want to buy a $255,:J home. You plan to pay 53;; as a down payment, and take out a 312} year loan for the rest. a} How much is the loan amount going to be? b] What will your monthly payments be if the interest rate is 6%? c] 1I.-"?hat will your monthly payments be if the interest rate is HS? 11. You can afford a $1450 per month mortgage payment. You've found a 30 year loan at 8% interest. a} How big of a loan can you afford? b] How much total money will you pay the loan company? c] How much of that money is interest