Please help me with these 3 questions ASAP
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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?
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Mathematics, 21.06.2019 23:30
Find β7β. a. 1 over 7 b. β7 c. 7 asap i always mark brailiest who me so
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Mathematics, 22.06.2019 00:00
At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad
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Mathematics, 26.06.2019 09:30
Mathematics, 26.06.2019 09:30
Mathematics, 26.06.2019 09:30
Mathematics, 26.06.2019 09:30
Mathematics, 26.06.2019 09:30
Mathematics, 26.06.2019 09:30
Mathematics, 26.06.2019 09:30
Physics, 26.06.2019 09:30
History, 26.06.2019 09:30
Mathematics, 26.06.2019 09:30
Mathematics, 26.06.2019 09:30