Gigi’s parents pay $1,400 for a mortgage and $250 for a car loan each month. they pay $175 monthly for health insurance and spend about $300 a month on food. utilities cost about $150 a month. they pay about $100 for the monthly internet and cell phone plan and set aside $200 per month for retirement. this month, gigi’s parents spend $285 on food, $175 on utilities, and $112 on the internet and cell phone plan. what are her parents’ total fixed and variable expenses this week? fixed expenses total: $ variable expenses total: $

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?