subject
Mathematics, 13.11.2019 02:31 jumeljean123oythxy

Ageography class has 32 students.
of the students in the class are boys.
3/8
the rest are girls.
a student is picked at random from the class.
what is the probability that this student is a girl?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
What are “like terms”? why can we only add like terms?
Answers: 1
question
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
question
Mathematics, 21.06.2019 22:00
Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b
Answers: 1
question
Mathematics, 21.06.2019 23:30
Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)
Answers: 1
You know the right answer?
Ageography class has 32 students.
of the students in the class are boys.
3/8
the r...
Questions
Questions on the website: 13722359