The bar graph below shows the average daily electricity usage (in kilowatt hours, kwh) by mr. smith from january to may of 2008. estimate mr. smith's average daily kilowatt hours usage for the entire five-month period by finding the mean of the values for the five bars?

Brent wants to know what is 5 x 1/2

If g(x) is an odd function, which function must be an even function?

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?