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Salsk061 [2.6K]
2 years ago
7

The parts of a solid are faces, vertices and __________.

Mathematics
1 answer:
BigorU [14]2 years ago
3 0

Answer:

edges

Step-by-step explanation:

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What does 9-20 equal
nordsb [41]
Did you mean 9 - 20 will if u did it equals up to -11
3 0
3 years ago
Question 4 options: Find the mean and standard deviation for a binomial distribution with 680 trials and a probability of succes
lys-0071 [83]

Answer:

Mean for a binomial distribution = 374

Standard deviation for a binomial distribution = 12.97

Step-by-step explanation:

We are given a binomial distribution with 680 trials and a probability of success of 0.55.

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 = 680 trials

            r = number of success  

           p = probability of success which in our question is 0.55

So, it means X <em>~ </em>Binom(n=680, p=0.55)

<em><u>Now, we have to find the mean and standard deviation of the given binomial distribution.</u></em>

  • Mean of Binomial Distribution is given by;

                    E(X) = n \times p

       So, E(X) = 680 \times 0.55 = 374

  • Standard deviation of Binomial Distribution is given by;

                   S.D.(X) = \sqrt{n \times p \times (1-p)}

                               = \sqrt{680 \times 0.55 \times (1-0.55)}

                               = \sqrt{680 \times 0.55 \times 0.45} = 12.97

Therefore, Mean and standard deviation for binomial distribution is 374 and 12.97 respectively.

3 0
3 years ago
Need help with a math probelm gvie 5 star if do
arsen [322]

Answer:

28 units^{3}

Step-by-step explanation:

21/2 * 8/3 = 28

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2 years ago
On a map, the distance between two towns is 2. 5 inches, and 1 inch represents 6 miles. What is the actual distance between the
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Answer:

15 miles

Step-by-step explanation:

1/2 inch = 3 miles

1 inch = 6 miles

2 inches = 12 miles

2.5 inches = 15 miles

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2 years ago
Две противоположные стороны луга параллелепипеда - 550 м, а площадь - 23,1 га.
hichkok12 [17]

Answer:

I can't read this language

Step-by-step explanation:

4 0
3 years ago
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