Mathematics, 30.05.2021 01:00 rennytheraccoon
Professor Addy has 184 students in her mathematics class. The scores on the final examination are normally
distributed and have a mean of 76 and a standard deviation of 6. How many students in the class can be
expected to receive a score between 73 and 91?
Answers: 3
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?
Answers: 1
Mathematics, 21.06.2019 23:30, meiyrarodriguez
Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8
Answers: 1
Professor Addy has 184 students in her mathematics class. The scores on the final examination are no...
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