At a flea market, used computer shows games are sold at the prices shown in the table below

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

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?

Iam at home. /: i am playing video games. translate the following statement into symbolic form.