When making a budget, a recommended goal is to spend 10% on utilities. In reality, household spending depends on
economic levels. Households with incomes from $15,000 to $20,000 spend over 11% on utilities. Households with
incomes from $50,000 to $70,000 spend 8.2% on utilities, while households with incomes above $150,000 spend
only 4.8% on utilities. The Mckinneys' annual income is $65,000. How much should they budget annually for utilities?
Enter the answer as a whole dollar amount, such as $200.

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Ineed i been stuck on this question since yesterday