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Mathematics, 22.05.2020 01:59, monicagalarza
What is the value of the arithmetic series below?
S19= 19/E/k=1 (4-3k)
a) -494
b) -104
c) -53
d) -52
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Answers: 3
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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
Do you know the correct answer?
What is the value of the arithmetic series below?
S19= 19/E/k=1 (4-3k)
a) -4...
S19= 19/E/k=1 (4-3k)
a) -4...
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