Mathematics, 24.07.2020 01:01, Nowellkwaku
Nate ordered several t-shirts for $7.90 each and paid $2 for shipping. If Nate spent a total of $160, how many t-shirts did he order?
Answers: 1
Mathematics, 21.06.2019 17:00, joylsbarbour
The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?
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
Nate ordered several t-shirts for $7.90 each and paid $2 for shipping. If Nate spent a total of $160...
Mathematics, 18.03.2021 01:20
Mathematics, 18.03.2021 01:20