Ask question

Ask question

All categories

Romashka-Z-Leto [24]

3 years ago

7

A bag contains eight blue marbles six red marbles and four green marbles what is the probability of selecting a red marble repla

cing it in the bag then selecting a green marble

1 answer:

Paha777 [63]3 years ago

7 0

Answer: $\frac{2}{27}$

<u>Step-by-step explanation:</u>

blue = 8 , red = 6 , green = 4 , total = 18

red and green

$\frac{6}{18}$ x $\frac{4}{18}$

= $\frac{1}{3}$ x $\frac{2}{9}$

= $\frac{2}{27}$

You might be interested in

A local community college employs 240 full time faculty. Approximately 3/5 of the full time faculty are certified to teach onlin

Dominik [7]

Answer:

There are 144 faculty at the college are certified

Step-by-step explanation:

- A local community college employs 240 full time faculty

∴ There are 240 full time employs

- Approximately 3/5 of the full time faculty are certified to teach online

∴ 3/5 of the total 240 are certified to teach on line

- We need to find how many faculty at the college are certified

<em>To find that multiply the fraction of the certified by the total number </em>

<em>of the full time faculty</em>

∵ The fraction of certified is 3/5

∵ The total of the full time faculty is 240

∴ The number of certified = $\frac{3}{5}$ × 240

∴ The number of certified = 144

<em>There are 144 faculty at the college are certified</em>

7 0

3 years ago

A television news program asks its viewers to call in to give their opinions on an upcoming ballot question. What type of sampli

Alla [95]

Answer:

This is an example of self selecting sampling

Step-by-step explanation:

This is an example of self selecting sampling because the news program is asking viewed to give their opinions. The viewers themselves have a choice of participating in the sample therefore is self selecting.

4 0

3 years ago

Marnie purchased a dining room table and 6 chairs for $1,860.00 before discount and taxes. Kristen purchased a queen bed, dresse

Kaylis [27]

Add up the totals before tax:

1860 + 5775 = 7635

Find 8.2% of this:

0.082 * 7635 = 626.07

Now add this on to it:

7635 + 626.07 = 8261.07

So the total cost is $8,261.07

5 0

3 years ago

Read 2 more answers

Enter 7 10 as hundredths in fraction form and decimal form

soldi70 [24.7K]

7/10 as hundredths= 70/100

7/10 as decimal form : 0.7 or .70 or .7

3 0

3 years ago

In the past year Rita watched movies 48 that she thought were very good. She watched 60 movies over the whole year. Of the movie

vagabundo [1.1K]

Answer:

80%

Step-by-step explanation:

Divide 48 by 60

48/60

4 0

3 years ago