Mathematics, 04.11.2020 19:10, nathanfletcher

7th grade math help. Find the perimeter. Do NOT include the units in your answer.

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Mathematics, 21.06.2019 20:00, jortizven0001

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Mathematics, 21.06.2019 21:30, erikacastro259

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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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7th grade math help. Find the perimeter. Do NOT include the units in your answer.
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