1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kodGreya [7K]
3 years ago
5

There are 12 blue marbles and 8 red marbles. find the probability of selecting one item

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

selecting one item? If you mean each color:

40% chance for a red marble / 2/5 chance

60% chance for a blue marble / 3/5 chance

Step-by-step explanation:

Because there are 12 blue marbles and 8 red marbles, we would total them to see how many marbles there are in total. There are 20 in total, but to find the probability, if we put all 20 marbles in a bag (blue and red), and we picked a marble at random, there are 8 red marbles and 12 blue marble in that bag. The probability that I will choose red marbles is 8/20 (or 8 red marbles out of 20 total marbles), and for blue marbles, it would be 12/20 (or 12 blue marbles out of 20 total marbles). Simplify both expression to 2/5, and 3/5 respectively. Finally, if you need percentage, just multiply the denominator by 5 to get it to a hundred, and do the same to the numerator. This way you don't change the value of the expression.

You might be interested in
(25 POINTS) Find the coordinates of the missing endpoint if E is the midpoint of DF such that F(2,9) and
Natali5045456 [20]

Answer:

(-5, 3)

Step-by-step explanation:

The coordinates of the midpoint are the averages of the endpoints.

-1.5 = (x + 2) / 2

-3 = x + 2

x = -5

6 = (y + 9) / 2

12 = y + 9

y = 3

5 0
3 years ago
A pizza maker can make 8 pizzas in 12 minutes. What is the pizza maker's unit rate?
Mrrafil [7]
1 Pizza Every 1.5 Minutes
7 0
3 years ago
Read 2 more answers
Can someone answer these pls
Vitek1552 [10]

the rate of growth will be 1.16

4 0
3 years ago
Read 2 more answers
Marvin's Tree Service purchased several spruce tree saplings.
aleksley [76]
I am sure it B hope I helped
6 0
2 years ago
Who can solve for Y ? 2y < -4
slavikrds [6]

Answer:

y < -2

Step-by-step explanation:

2y < -4

Divide both sides by 2.

y < -2

7 0
3 years ago
Read 2 more answers
Other questions:
  • Explain two different waysto find the difference for 12-3
    9·2 answers
  • Can someone help me plz
    11·1 answer
  • Solve for x: <br> 1/abx = 1/a + 1/b + 1/x
    5·1 answer
  • Elimination Method<br> 2x-4y=12 -x+2y=-6
    9·1 answer
  • X+5 = 57-26<br> Solve for x!!
    14·2 answers
  • What equals 24 with the numbers 15 10 13 1 22
    14·2 answers
  • Find the area. Will mark brainliest.
    13·1 answer
  • Evaluate 1/2 + 1/2 ÷ 18​
    6·2 answers
  • The pet has 20 guinea pigs and plans to put a pair of guinea pigs in each cage. If the pet store has 8 cages how many more cages
    9·1 answer
  • 16. The gravitational potential energy of an object is always measured
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!