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
sweet-ann [11.9K]
2 years ago
12

An urn contains 6 red balls, 8 green balls, and 10 white balls. If balls are selected one by one (without replacing them after t

hey are selected) what is the probability that at least two balls must be selected in order to get a green ball. g
Mathematics
1 answer:
PIT_PIT [208]2 years ago
8 0

Answer:

0.43478

Step-by-step explanation:

From the information given:

The \  required  \ probability = P(1st ball = red) \times P(2nd ball = red) + P(1st ball = red) \times P(2nd ball = white)  + P(2nd ball = red) \times P(1st ball = white) + P(1st ball = white) \times P(2nd ball = white)

= \dfrac{6}{6+8+10}\times  \dfrac{5}{5+8+10} +  \dfrac{6}{6+8+10} \times  \dfrac{10}{5+8+10} +  \dfrac{10}{6+8+10} \times  \dfrac{6}{5+8+10} \times  \dfrac{10}{6+8+10} \times  \dfrac{9}{5+8+9}

=(\dfrac{6}{24}\times \dfrac{5}{23})+ (\dfrac{6}{24}\times \dfrac{10}{23}) +( \dfrac{10}{24}\times \dfrac{6}{23} ) + (\dfrac{10}{24}\times \dfrac{9}{23})

= 0.05434782609 + 0.1086956522  + 0.1086956522  + 0.1630434783

= 0.4347826088

≅ 0.43478

You might be interested in
Eva and Jamir like to bake cookies. Eva baked 24 chocolate chip cookies, and Jamir baked pp peanut butter cookies. Together they
statuscvo [17]

Answer:

32.

Step-by-step explanation:

24 = Evas cookies

PP = Jamirs cookies

56 = total cookies

56-24= Jamirs amount

Which is 32

4 0
3 years ago
Read 2 more answers
What is the length of the radius, /?<br> O 8 units<br> O 10 units<br> O 12 units<br> O 16 units
AlekseyPX

Answer:

10

Step-by-step explanation:

ive done this before =)

7 0
2 years ago
A cylinder has a base with a diameter of 10.8 cm and height 15 cm into the volume of a cylinder in a cubic centimeters round you
LekaFEV [45]

Answer:

V=1,373.44\ cm^3

Step-by-step explanation:

<u><em>The correct question is</em></u>

A cylinder has a base with a diameter of 10.8 centimeters and height 15 centimeters. Enter the volume of the cylinder, in cubic centimeters. Round your answer to the nearest hundredth

we know that

The volume of a cylinder is equal to

V=\pi r^{2} h

where

r=10.8/2=5.4\ cm ----> the radius is half the diameter

h=15\ cm

assume

\pi =3.14

substitute

V=(3.14)(5.4)^{2} (15)=1,373.44\ cm^3

5 0
3 years ago
I REALLY NEED HELP PLEASE
Ira Lisetskai [31]
I think the answer is letter B
6 0
3 years ago
A line passes through the point (9,1) and has a slope of 2.Write an equation in slope-intercept form for this line.
bogdanovich [222]

Answer:

y = 2x-17

Step-by-step explanation:

We have a point and a slope, we can write the equation in point slope form and then convert to slope intercept form

y-y1 = m(x-x1) where m is the slope and (x1,y1) is the point

y-1 = 2(x-9)

Distribute

y-1=2x-18

Add 1 to each side

y-1+1 = 2x-18+1

y = 2x-17

This is slope intercept form

4 0
3 years ago
Other questions:
  • How does a digit in the ten thousands place compare with a digits in the thousands place?
    5·1 answer
  • How many complex roots does the equation 0=4x4−x3−5x+3 have?
    7·1 answer
  • John bought 3 bottles of an energy drink for $4.50. Write an equation relating the total cost y to the number of energy drinks b
    13·1 answer
  • Solve.<br><br> 9.4 = - t/3.5<br><br> t =
    14·1 answer
  • 40 sweater to 33% discount
    13·1 answer
  • Katrina is building a deck. She cuts 3 lengths of wood from a 72-inch board. The first length is inches. The second length is in
    12·2 answers
  • Is three tenths equal to .30
    10·2 answers
  • Please help!!! 98 Points!!!<br><br> Find the values of x and z.
    10·2 answers
  • Write 6431 to the nearest thousand.<br>the answer is 6430 ​
    8·2 answers
  • Y ∝ 1 √ x If y = 4 when x = 64 find, y when x = 16
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!