Larry's parents divorced when he was 5. his father moved out of the area, and his mother is kept busy with trying to keep a roof over their heads. larry is now 13 and has been getting into some minor troubles with school and with the law. despite this, his mother still allows larry to come and go as he wishes, she rarely if ever punishes him, and gives in to whatever he wants. she feels guilty about the divorce and that he doesn't have a father. larry's mother has a(n) parenting style.

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i. e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i. e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.