Ask question

Ask question

All categories

3 years ago

11

A bag contains 19 white balls and 6 black balls. the balls are drawn with replacement. what is the expected number of white ball

s drawn before the 13 th black ball is drawn.

1 answer:

MrRissso [65]3 years ago

3 0

For every four white balls taken out one black ball is taken out so it would be the 52 white ball

You might be interested in

Distance between points (7,6) (-3,-1)

GaryK [48]

Answer:

Step-by-step explanation:

(7,6) (-3,-1)

(x1,y1) (x2,y2)

$Distance=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\\\\=\sqrt{(-3-7)^{2}+(-1-6)^{2}}\\\\=\sqrt{(-10)^{2}+(-7)^{2}}\\\\=\sqrt{100+49}=\sqrt{149}\\\\=12.21$

4 0

3 years ago

Finding equal shares if two friends share 3 fruit bars

tia_tia [17]

One friend would get 1 whole and then you would have to split the 3 in half and give that to your friends. So they each get 1 1/2.

5 0

3 years ago

Read 2 more answers

Hey someone who knows this want to give me the answer thanks

Gnesinka [82]

C is the answer. Hope this helps!

4 0

2 years ago

Read 2 more answers

-10x + 35 + 5x = -5x + 20 PLs fix this error and answer it can you also show me the steps so I understand?

Vedmedyk [2.9K]

Answer:

-10x + 35 + 5x simplifies to -5x + 35.

Step-by-step explanation:

Combine Like Terms:

= −10x + 35 + 5x

= (−10x + 5x) + (35)

= −5x + 35

Hope this helps!

6 0

2 years ago

Read 2 more answers

Simplify,,,,,,,,,,,,,,,,,,,

tatuchka [14]

It is D , if you plus into a calculator it simplifies for you !!

5 0

3 years ago