An automobile insurer has found that repair claims have a mean of $1520 and a standard deviation of $770. Suppose that the next 100 claims can be regarded as a random sample from the long-run claims process. The mean and standard deviation of the average x of the next 100 claims is: a. mean = $1,520 and standard deviation = $77
b. mean = $1,520 and standard deviation = $7.70
c. mean = $152 and standard deviation = $77
d. mean = $152 and standard deviation = $770

Bill is 31 years old, married, and lived with his spouse michelle from january 2018 to september 2018. bill paid all the cost of keeping up his home. he indicated that he is not legally separated and he and michelle agreed they will not a file a joint return. bill has an 8-year-old son, daniel, who qualifies as bill's dependent. bill worked as a clerk and his wages are $20,000 for 2018. his income tax before credits is $500. in 2018, he took a computer class at the local university to improve his job skills. bill has a receipt showing he paid $1,200 for tuition. he paid for all his educational expenses and did not receive any assistance or reimbursement. bill does not have enough deductions to itemize. bill, michelle, and daniel are u. s. citizens with valid social security numbers. 8. bill does not qualify to claim which of the following: a. head of household b. education benefit c. earned income credit d. all of the above