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Otrada [13]
3 years ago
8

A couple plans to have 3 children. Assuming the probability of having either a boy or a girl is 50%, what is the probability the

y will have at least 1 girl?
Group of answer choices

0.875

0.125

0.375

0.75
Mathematics
1 answer:
Stels [109]3 years ago
4 0

Answer:

0.375

Step-by-step explanation:

The probability of having at least one girl out of 3 children can be calculated as;

P(1 girl, 2 boys) or P(2 girls, 1 boy) or P(3 girls)

Since the P(b) = P(g) = 1/2

Then the probability at any point in time is 1/2 * 1/2 * 1/2 = 1/8

So we have ;

1/8 + 1/8 + 1/8 = 3/8 = 0.375

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-4 + (-8) - (-2) + 4
melisa1 [442]

Answer:

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Step-by-step explanation:

-4+ -8 = -12 +2 = -10 +4 = -6

3 0
3 years ago
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A heating pad takes 8,827 Watts during each time it is turned on. If you only use it for 43 minutes, how much CO2 was created? R
devlian [24]

Answer:

6.3 Kwhr

Step-by-step explanation:

Given :

Power = 8827 watts

Time in minutes = 43 minutes

To obtain the amount of CO2 that was created :, which is the energy :

Recall

Energy = power * time

Energy in kw/hr = (8827/100) * (43/60)

Energy = 8.827 * 0.7166666

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3 0
2 years ago
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bearhunter [10]

Sin 30 = 1/2

tan 45 = 1

Cosec 60 = 2 / √3 = 2√3 / 3

cot 45 = 1

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sec 30 = 2 / √3 = 2√3 / 3

_______________________________

[ 1/2 + 1 - 2√3/3 ] ÷ [ 1 + 1/2 - 2√3/3 ] = <em>1</em>

The face and denominator of the fraction are exactly the same thus the answer is 1 .

4 0
3 years ago
Find the surface area
xz_007 [3.2K]

Answer:

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6 0
3 years ago
Hiiio!!Can someone please help me ❤️:D
Delvig [45]

Answer:

Step-by-step explanation:

ratio of 216 : 64

bigger is 20 inches

so divide 20 by 216... to find the unit.. then multiply that by 64 to find the size of the other

20/216 = 0.0925925

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so about 6 inches    

and Hi  :D

5 0
2 years ago
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