Answers: 1
Mathematics, 21.06.2019 21:30
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?
Answers: 1
Mathematics, 21.06.2019 22:10
Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?
Answers: 1
Convert 512 into binary numbers...
Engineering, 14.09.2019 00:10
Engineering, 14.09.2019 00:10
Medicine, 14.09.2019 00:10
Medicine, 14.09.2019 00:10