Mathematics, 23.06.2021 16:30 Animallover100
Seventy-five percent of the flowers in the arrangement are roses and the rest are tulips. Of the tulips, 50 percent are pink.
To the nearest whole percent, what is the probability that a randomly chosen flower from the arrangement is a pink tulip?
13%
38%
50%
67%
Answers: 1
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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?
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Seventy-five percent of the flowers in the arrangement are roses and the rest are tulips. Of the tul...
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