The incomes of all families in a particular suburb can be represented by a continuous random variable. It is known that the median income for all families in this suburb is $60,000 and that 40% of all families in the suburb have incomes above $72,000.

a) For a randomly chosen family what is the probability that its income will be between $60000 and $72000.

b) If the distribution function for the income is known to be uniform what is the probability that a random chosen family has an income below $65000.

The following items could appear on a bank reconciliation: a. outstanding checks, $670. b. deposits in transit, $1,500. c. nsf check from customer, no. 548, for $175. d. bank collection of note receivable of $800, and interest of $80. e. interest earned on bank balance, $20. f. service charge, $10. g. the business credited cash for $200. the correct amount was $2,000. h. the bank incorrectly decreased the business's by $350 for a check written by another business. classify each item as (1) an addition to the book balance, (2) a subtraction from the book balance, (3) an addition to the bank balance, or (4) a subtraction from the bank balance.