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finlep [7]
3 years ago
11

Find the probability that when a couple has three ​children, at least one of them is a girl. ​(Assume that boys and girls are eq

ually​ likely.)what is the probability that at least one of the three children is a girl.

Mathematics
1 answer:
rjkz [21]3 years ago
7 0

Step-by-step explanation:

have a look at the above attachment... it has all the explanation

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What is 40,023,032 in expanded form
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Lynne used 8/3 cup of flour and 3/1 cup of sugar in a recipe what number is a common denominator for 3/1 and 8/3
Zanzabum

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What is the greatest possible product of a 2 digit number and a 1 digit number?
sladkih [1.3K]
Highest 2-digit number = 99 
<span>Highest 1-digit number = 9 </span>
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5 0
3 years ago
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Alexxx [7]
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4 0
3 years ago
The height that a ball bounces varies directly with the height from which it is dropped. A certain ball bounces 30 cm when dropp
Akimi4 [234]

The ball will bounce 72 cm high if dropped from a height of 120 cm

<u>Solution:</u>

Given, The height that a ball bounces varies directly with the height from which it is dropped.  

A certain ball bounces 30 cm when dropped from a height of 50 cm.  

We have to find how high will the ball bounce if dropped from a height of 120 cm?

Now, according to given information,

When dropped from 50 cm ⇒ bounces 30 cm

Then, when dropped from 120 cm ⇒ bounces "n"  cm

Now by Chris cross method, we get,

\begin{array}{l}{n \times 50=30 \times 120} \\\\ {\rightarrow n=\frac{30 \times 120}{50}} \\\\ {\rightarrow n=\frac{3600}{50}} \\\\ {\rightarrow n=72}\end{array}

Hence, the ball bounces 72 cm high.

5 0
3 years ago
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