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V125BC [204]
3 years ago
12

In a 10x10 grid that represents 800 what does one square represent

Mathematics
1 answer:
Simora [160]3 years ago
5 0
 the answer would be 80,because 800 divided 10 is 80.
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In a recent survey, 60% of the community favored building a health center in their neighborhood. If 14 citizens are chosen, find
andreev551 [17]

Answer:

Probability that exactly 5 of them favor the building of the health center is 0.0408.

Step-by-step explanation:

We are given that in a recent survey, 60% of the community favored building a health center in their neighborhood.

Also, 14 citizens are chosen.

The above situation can be represented through Binomial distribution;

P(X=r) = \binom{n}{r}p^{r} (1-p)^{n-r} ; x = 0,1,2,3,.....

where, n = number of trials (samples) taken = 14 citizens

         r = number of success = exactly 5

        p = probability of success which in our question is % of the community

              favored building a health center in their neighborhood, i.e; 60%

<em>LET X = Number of citizens who favored building of the health center.</em>

So, it means X ~ Binom(n=14, p=0.60)

Now, Probability that exactly 5 of them favor the building of the health center is given by = P(X = 5)

        P(X = 5) = \binom{14}{5} \times 0.60^{5} \times (1-0.60)^{14-5}

                      = 2002 \times 0.60^{5} \times 0.40^{9}

                      = 0.0408

Therefore, Probability that exactly 5 of them favor the building of the health center is 0.0408.

4 0
3 years ago
Please help me with this!!
rewona [7]
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Area of orange = area of big square subtract by area of small square

Small square = b^2
Big square = a^2
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Solution: (a - b) (a + b)
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Answer:   - (2 + 3) = -5

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When combining numbers that have the same sign, you add them and then include the sign.

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-6 - 5 = -(6 + 5) = -11

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Answer:

i think 3

Step-by-step explanation:

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