Category: 05 Mathematics Knowledge
4-15/ (30 - 33) =...
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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?
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Mathematics, 22.06.2019 02:10
You use technology ans find a sum of 6.712e-8. write this sum in standard form
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Mathematics, 22.06.2019 04:30
Harold moves no more than 43 of his sheep and goats into another field fewer then 22 of his animals are goats
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Mathematics, 22.06.2019 05:30
You are given the first four terms of an arithmetic sequence. which one is best to use, recursive formula or explicit formula? why? pleasseee ! : (
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