Mathematics, 30.09.2019 02:30 LukeneedhelpInMath
Abox contains 6 red marbles and 5 blue marbles. another box has 5 red and 8 blue marbles. one box is selected at random and from that box one marble is drawn. what is the probability that the marble drawn is blue
Answers: 1
Mathematics, 21.06.2019 14:30
Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?
Answers: 2
Mathematics, 21.06.2019 21:30
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
Abox contains 6 red marbles and 5 blue marbles. another box has 5 red and 8 blue marbles. one box is...
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