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Naily [24]
4 years ago
10

Find the area of efg

Mathematics
1 answer:
butalik [34]4 years ago
6 0
The area of EFG is 12 ft
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According to a recent study, 1 in every 10 women has been a victim of domestic abuse at some point in her life. Suppose we have
vitfil [10]

Answer:

The probability that more than 22 of the women sampled have not been the victim of domestic abuse is P=0.537.

Step-by-step explanation:

This problem can be modeled by a binomial random variable.

The probability p can be calculated as the proportion of women that <em>has not</em> been a victim of domestic abuse at some point in her life:

p=1-\dfrac{X}{n}=1-\dfrac{1}{10}=1-0.1=0.9

The sample size is n=25.

We want to calculate the probability that more than 22 of the women of the sample have not been victim of domestic abuse.

The probability that exactly k women have not been victim of domestic abuse can be calculated as:

P(x=k) = \dbinom{n}{k} p^{k}(1-p)^{n-k}\\\\\\P(x=k) = \dbinom{25}{k} 0.9^{k} 0.1^{25-k}\\\\\\

Then, the probability that more than 22 of the women sampled have not been the victim of domestic abuse is:

P(x>22)=P(x=23)+P(x=24)+P(x=25)\\\\\\P(x=23) = \dbinom{25}{23} p^{23}(1-p)^{2}=300*0.089*0.01=0.266\\\\\\P(x=24) = \dbinom{25}{24} p^{24}(1-p)^{1}=25*0.08*0.1=0.199\\\\\\P(x=25) = \dbinom{25}{25} p^{25}(1-p)^{0}=1*0.072*1=0.072\\\\\\\\P(x>22)=0.266+0.199+0.072=0.537

4 0
3 years ago
PLZ HELP I WILL GIVE BRAINLIEST
Kipish [7]

Answer:

the third one

Step-by-step explanation:

bc like there are 2 boxes of 1 and 5 boxes of 1/6 so thats already 2 and 5/6 which applies to all of them. then there is 1 box of 1 and 2 boxes of 1/3 so thats 1 and 1/3 which applies to all of them also but when you make them have the same denominator you get 2 and 5/6 + 1 and 4/6 which deletes the second one. When you add you should get the same denominator so that deletes the first one so then you simplify that and the fraction should still be equal to the unsimplified fraction so you should get 4 and 1/2 if that makes sense

8 0
3 years ago
Checking my work photo provided
velikii [3]
You are correct

plz mark brainliest.
7 0
3 years ago
Which expression illustrates the associative property of addition? (3 19) â€"" 12 = (3 12) â€"" 19 3 (19 â€"" 12) = 3 (
ikadub [295]

Associative property of addition changing the grouping of add once does not change the sum. The option 3 illustrates the associative property of addition. Thus this is the correct option.

<h3>Given-</h3>

The options are given in which the associative property of the addition has to be found.

<h3>Associative property </h3>

Associative property of addition is the changing the grouping of add once does not change the sum.

  • Option 1-

(3+19)-12=(3+12)-19

In the above option with changing the bracket the sign of 19 and 12 is changed. This will affect the result of the addition. Hence, option 1 is incorrect.

  • Option 2-

3+(19-12)=3+(19+12)

In this case, the sign changed. Thus the result of the sum will be different. Hence the option 2 is incorrect.

  • Options 3-

(3+19)-12=3+(19-12)

In this case, brackets are changed but the sign is not changed. Thus the result will be the same. Hence, option 3 illustrates the associative property of addition. Thus this is the correct option.

  • Option 4

3+(19-12)=3-(19+12)

In the above case, the sign changed and thus the result will also be changed. therefore option 4 is incorrect.

Hence, option 3 illustrates the associative property of addition. Thus this is the correct option

For more about the properties of the addition, follow the link below-brainly.com/question/1697317

5 0
3 years ago
Simplify this question
vladimir1956 [14]

\frac{8 -  \sqrt{ - 36} }{2}  \\  =  \frac{8 -  \sqrt{ 2 \times \: 2 \times  3  \times  - 3} }{2}  \\  =  \frac{8 -2 \sqrt{ - 9}  }{2}  \\  =  \frac{2(4 -  \sqrt{ - 9} )}{2}  \\  = 4 -  \sqrt{ - 9}

Hope you could get an idea from here.

Doubt clarification - use comment section.

8 0
2 years ago
Read 2 more answers
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