Mathematics, 26.05.2021 23:50, alliaespino

A cup on the teacher's desk contains 12 pens. There are 3 pens with blue ink and 9 pens with black ink. One student at a time selects a pen at fundam to sign the attendance sheet and then puts the pen back in the cup. What is the probability that the first three students all randomly select a pen with blue ink? A.1/4
B. 1/27
C. 1/64
D.1/220

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, sierravick123owr441

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

Answers: 1

continue

Mathematics, 21.06.2019 18:30, WendigoMeow

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Answers: 1

continue

Mathematics, 21.06.2019 22:00, harry5112

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

Answers: 1

continue

Mathematics, 21.06.2019 23:30, liaholmes8

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

Answers: 1

continue

Do you know the correct answer?

A cup on the teacher's desk contains 12 pens. There are 3 pens with blue ink and 9 pens with black i...