What would be the value of x please help
...
Answers: 3
Mathematics, 21.06.2019 21:30
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, 21.06.2019 22:30
Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?
Answers: 2
Mathematics, 21.06.2019 23:00
Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone
Answers: 1
Physics, 29.07.2019 04:00
Mathematics, 29.07.2019 04:00
Mathematics, 29.07.2019 04:00
Mathematics, 29.07.2019 04:00
Social Studies, 29.07.2019 04:00
Biology, 29.07.2019 04:00
Mathematics, 29.07.2019 04:00
Mathematics, 29.07.2019 04:00
English, 29.07.2019 04:00
Physics, 29.07.2019 04:00