Can someone please help?
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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
Mathematics, 22.06.2019 00:30
Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great
Answers: 1
Mathematics, 22.06.2019 01:00
The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w
Answers: 1
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