Mathematics, 31.01.2020 23:00 ashneedshelp1251
At least how many times must you flip a fair coin before there is at least a 50% probability that you will get at least three heads?
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Mathematics, 21.06.2019 19:10
What is the absolute value of the complex number -4-sqrt2i
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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 21:50
What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83
Answers: 3
At least how many times must you flip a fair coin before there is at least a 50% probability that yo...
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