Mathematics, 06.11.2020 23:50, babycakesmani
There are 4 boys and 2 girls from the seventh grade and 3 boys and 5 girls from the eighth grade in the math club. The math club sponsor will randomly pick one student from each grade level to represent the team. What is the probability that both will be girls?
Answers: 2
Mathematics, 21.06.2019 20:30, elenaabad18
Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries
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
Mathematics, 22.06.2019 01:30, Laners0219
Which represents the number of times all outcomes less than a given outcome occur? cumulative frequency relative frequency frequency cumulative relative frequency
Answers: 3
There are 4 boys and 2 girls from the seventh grade and 3 boys and 5 girls from the eighth grade in...
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