Mathematics, 24.01.2022 18:20 carebear147
Mary's age is 10 years less than 2 times Joe's age. If the difference between their ages is 30, how old is Mary?
Answers: 2
Mathematics, 21.06.2019 21:30, cassandramanuel
Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
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's age is 10 years less than 2 times Joe's age. If the difference between their ages is 30, how...
Biology, 11.02.2020 02:55