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Given ABC = DEF, m
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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 22:30
Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4
Answers: 3
Computers and Technology, 16.07.2019 08:00
Computers and Technology, 16.07.2019 08:00
Computers and Technology, 16.07.2019 08:00
Computers and Technology, 16.07.2019 08:00
Computers and Technology, 16.07.2019 08:00
Chemistry, 16.07.2019 08:00
History, 16.07.2019 08:00
Computers and Technology, 16.07.2019 08:00
Computers and Technology, 16.07.2019 08:00
Computers and Technology, 16.07.2019 08:00
Computers and Technology, 16.07.2019 08:00
Computers and Technology, 16.07.2019 08:00
Mathematics, 16.07.2019 08:00
History, 16.07.2019 08:00
History, 16.07.2019 08:00