subject
Mathematics, 19.05.2021 05:30 lillygon81

If 3 balls are drawn at random from a bag containing 3 red and 4 blue balls, what is the expected number of red balls in the sample?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 23:00
The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?
Answers: 1
question
Mathematics, 21.06.2019 23:10
Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room
Answers: 1
question
Mathematics, 22.06.2019 01:30
Asample of 200 rom computer chips was selected on each of 30 consecutive days, and the number of nonconforming chips on each day was as follows: the data has been given so that it can be copied into r as a vector. non.conforming = c(10, 15, 21, 19, 34, 16, 5, 24, 8, 21, 32, 14, 14, 19, 18, 20, 12, 23, 10, 19, 20, 18, 13, 26, 33, 14, 12, 21, 12, 27) #construct a p chart by using the following code. you will need to enter your values for pbar, lcl and ucl. pbar = lcl = ucl = plot(non.conforming/200, ylim = c(0,.5)) abline(h = pbar, lty = 2) abline(h = lcl, lty = 3) abline(h = ucl, lty = 3)
Answers: 3
question
Mathematics, 22.06.2019 02:30
Use stokes' theorem to evaluate c f ยท dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 5zj + 7yk, c is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 81.
Answers: 2
You know the right answer?
If 3 balls are drawn at random from a bag containing 3 red and 4 blue balls, what is the expected n...
Questions
question
Mathematics, 19.08.2019 11:00
question
Mathematics, 19.08.2019 11:00
question
Mathematics, 19.08.2019 11:00
question
Chemistry, 19.08.2019 11:00
Questions on the website: 13722363