Mathematics, 19.05.2020 14:06, issa82

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Mathematics, 21.06.2019 21:30, amesha62

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 21:30, xxaurorabluexx

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis

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Mathematics, 22.06.2019 00:00, Talos02

Corresponding angles are a. always b. sometimes c. never congruent

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Mathematics, 22.06.2019 03:00, lilly198o

Asingle die is rolled twice. find the probability of rolling a 3 the first time and a 2 the second time

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