Mathematics, 14.07.2019 04:30 ecbow9232
Mary sue and betty have 603 necklaces altogether. mary sue has 115 more necklaces than betty. how many necklaces does betty have? pls answer asap show your work as well you : p
Answers: 1
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
Mary sue and betty have 603 necklaces altogether. mary sue has 115 more necklaces than betty. how ma...
Mathematics, 07.10.2019 22:00
Mathematics, 07.10.2019 22:00