NOMBRE DEL QUIMICO QUE DESUBRIO EL NUMERO DE ELECTRONES QUE UN ATOMO PUEDE COMPARTIR EL NUMERO DE ELECTROINES Y VALENCIA​

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

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?

Charlie tosses five coins.what is the probability that all five coins will land tails up.