subject

Mathematics, 11.05.2021 17:00 JojoSiwa901

Help please this is for an important test 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 random 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

ansver

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:10, samiam61

Which question is not a good survey question? a. don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d. are you happy with the availability of electronic products in your state?

Answers: 2

Mathematics, 21.06.2019 23:30, yaretxi

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units

Answers: 3

Mathematics, 21.06.2019 23:30, kreshnikolloma

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o

Answers: 1

Mathematics, 22.06.2019 00:30, selemontaddesep6bv1p

You borrow $25,000 to buy a boat. the simple interest rate is 4%. you pay the loan off after 10 years. what is the total amount you paid for the loan?

Answers: 1

You know the right answer?

Help please this is for an important test A cup on the teacher's desk contains 12 pens. There are 3...

Questions in other subjects:

Konu

Business, 06.09.2019 00:30

The number of u. s. households with access to the internet is growing rapidly. compared to 50 years ago, one would predict that when considering a major purchase, people today will...

Konu

Physics, 06.09.2019 00:30

Aflat sheet is in the shape of a rectangle with sides of lengths 0.400 m and 0.600 m. the sheet is immersed in a uniform electric field of magnitude 73.9 n/c that is directed at 20...

Konu

Physics, 06.09.2019 00:30

The heaviside function h is defined by h(t)={0 if t< 0, 1 if t≥0 it is used in the study of electric circuits to represent the sudden surge of electric current, or voltage, when...

Konu

English, 06.09.2019 00:30

If you read a speech by an individual in a book of great speeches published 75 years later, what date for the primary source (the speech) should you use in your analysis of the doc...

Konu

Business, 06.09.2019 00:30

Burger king's target demographic for its satisfries was most notably mothers of young children. which of the following demographics was burger king most likely targeting? a....

Konu

Mathematics, 06.09.2019 00:30

You have a six-sided die that you roll once. let ri denote the event that the roll is i. let g j denote the event that the roll is greater than j. let e denote the event that the r...

Konu

Chemistry, 06.09.2019 00:30

Aflask contains 2.0 mol of he gas at 25°c and 1.00 atm. how much he gas, in grams, must be added to increase the pressure to 2.00 atm at constant temperature and volume?...

Konu

Business, 06.09.2019 00:30

Henry purchased 3 items during a sale. he received a 20 percent discount on the regular price of the most expensive of the 3 items and a 10 percent discount on the regular price of...

Konu

Social Studies, 06.09.2019 00:30

George's theory of personality leads to the discovery of new links between cognition and brain functioning that were previously believed to be impossible. george's theory has

Konu

Physics, 06.09.2019 00:30

The mass of a glass beaker is known to be 24.2 g. approximately 5 ml of water are added, and the mass of the beaker and water is measured on an analytical balance to be 30.625 g. h...

More questions: Mathematics Another questions