Mathematics, 13.11.2021 14:40, chloedonyes
4 pounds of grapes cost 5$ 7 pounds of grapes cost $8.75. What is the cost per pound?
Answers: 3
Mathematics, 21.06.2019 14:30, serenityburke
Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4
Answers: 2
Mathematics, 21.06.2019 21:30, amesha62
In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
4 pounds of grapes cost 5$ 7 pounds of grapes cost $8.75. What is the cost per pound?...
Mathematics, 21.12.2020 21:10
Arts, 21.12.2020 21:10
Mathematics, 21.12.2020 21:10
Biology, 21.12.2020 21:10