What is the least common denominator between 27, 48, and 66

Mathematics

1 answer:

Westkost [7]3 years ago

8 0

4,752. It's a big number.

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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 has not 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

On Monday, Zach sends an e-mail message

Charra [1.4K]

Written out numerically, it is 4x4x4. To work this out you multiply 4x4= 16 and then you have one more 4 to multiply by, so you multiply 16x4=64

4 0

3 years ago

Round 348 to the nearest hundred. A. 350 b. 400 c. 300 d. 340

Tom [10]

B 400 will be your answer to 348

4 0

3 years ago

Read 2 more answers

Do you see a relationship between the exponents of the base and the exponent of the product?

galina1969 [7]

When two numbers are multiplied together that are exponents you multiply the bases amd add the exponents the relationship would simply be that the product exponents are the sum of the exponents being multiplied in the question

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=%28%5Csqrt%7B20%7D%20-%202%5Csqrt%7B45%7D%20%2B%5Csqrt%7B5%7D%20%29%2A%5Csqrt%7B5%7D" id="TexF

nataly862011 [7]

Answer:

Step-by-step explanation:

$(\sqrt{20} - 2\sqrt{45} +\sqrt{5} )*\sqrt{5}$