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Zarrin [17]
3 years ago
12

A bag contains 3 red cubes, 4 yellow cubes, and 3 green cubes. You choose a cube without looking, note its color, and put the cu

be back in the bag. Suppose you do this a total of 80 times. About how many times would you expect to choose a red or yellow cube?
Mathematics
2 answers:
Alex Ar [27]3 years ago
6 0

Answer:

is it multiple choice that would help

Step-by-step explanation:

Nastasia [14]3 years ago
4 0

Answer:

  • 56 times

Step-by-step explanation:

<u>Total cubes:</u>

  • 3 + 4 + 3 = 10

<u>Number of yellow or red:</u>

  • 3 + 4 = 7

<u>Probability of yellow or red:</u>

  • 7/10

<u>Same probability 80 times:</u>

  • 80*7/10 = 56

Expected number is 56

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Pachacha [2.7K]

Answer:

<h2>3 g/cm³</h2>

Step-by-step explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =   \frac{9}{3}  = 3 \\

We have the final answer as

<h3>3 g/cm³</h3>

Hope this helps you

7 0
2 years ago
WILLL MARK BRAINLIST......<br> 4.71 x 0.2 I NEED STEP BY STEP ON HOW TO SOLVE
OverLord2011 [107]

Answer:

Put 4.71 over 0.2 and make sure to line up the decimal.

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Step-by-step explanation:

8 0
3 years ago
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Answer:

figuring it out now

Step-by-step explanation:

6 0
3 years ago
which of these which of these is most likely to to describe the change received from a cash purchase? A.whole number B.negative
poizon [28]
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7 0
3 years ago
Verity's sock drawer contains 9 black socks, 5 white socks, and 6 brown socks. If Verity chooses a sock at random, what is the p
Y_Kistochka [10]

Answer:

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So the required probability  = 14/20.

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