Mathematics, 11.12.2019 04:31 Astute
When flipping a coin, the chance that it will come up a head is . if you flip the coin a second time, the chance that it will come up a head again is . let us say that you have had 25 heads come up in 25 consecutive flips. if you flip the coin one more time, the chance of coming up with a head is .
Answers: 3
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
When flipping a coin, the chance that it will come up a head is . if you flip the coin a second time...
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