subject
Mathematics, 20.04.2021 20:00 genyjoannerubiera

Which of the following random variables X can be considered binomial random variables? For those that can not, explain why
A) A bag holds 100 marbles, 10 of which are blue. Let X represent the number of marbles drawn until a blue is drawn.
B.) Census data showed that 51% of the US population was female. Select an SRS of 30 people from the US
population. Let X represent the number of females in the sample.
C.) A manager oversees 11 female employees and 9 male employees. They need to pick 3 of these employees to go on
a business trip so the manager places all 20 names in a hat and chooses at random. Let X represent the number of
females chosen

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Which value of c would make he following expression completely factored? 8x+cy
Answers: 1
question
Mathematics, 21.06.2019 19:00
Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?
Answers: 3
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, 22.06.2019 00:00
The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?
Answers: 1
You know the right answer?
Which of the following random variables X can be considered binomial random variables? For those tha...
Questions
question
Mathematics, 11.02.2021 14:00
question
Mathematics, 11.02.2021 14:00
question
Mathematics, 11.02.2021 14:00
question
Mathematics, 11.02.2021 14:00
question
English, 11.02.2021 14:00
Questions on the website: 13722367