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BartSMP [9]
3 years ago
6

Find the volume of a pyramid with a square base, where the side length of the base is 15.3 m and the height of the pyramid is 19

.6m. Round your answer to the nearest tenth of a cubic meter.
Mathematics
1 answer:
serious [3.7K]3 years ago
5 0

Answer:

Find the volume of a pyramid with a square base, where the side length of the base is 15.3 m and the height of the pyramid is 19.6m. Round your answer to the nearest tenth of a cubic meter

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A study conducted at a certain high school shows that 72% of its graduates enroll at a college. Find the probability that among
mixas84 [53]

Answer:

P(X \geq 1) =1-P(X

And we can use the probability mass function and we got:

P(X=0)=(4C0)(0.72)^0 (1-0.72)^{4-0}=0.00615

And replacing we got:

P(X \geq 1) = 1-0.00615 = 0.99385

Step-by-step explanation:

Let X the random variable of interest "number of graduates who enroll in college", on this case we now that:  

X \sim Binom(n=4, p=0.72)  

The probability mass function for the Binomial distribution is given as:  

P(X)=(nCx)(p)^x (1-p)^{n-x}  

Where (nCx) means combinatory and it's given by this formula:  

nCx=\frac{n!}{(n-x)! x!}  

We want to find the following probability:

P(X \geq 1)

And we can use the complement rule and we got:

P(X \geq 1) =1-P(X

And we can use the probability mass function and we got:

P(X=0)=(4C0)(0.72)^0 (1-0.72)^{4-0}=0.00615

And replacing we got:

P(X \geq 1) = 1-0.00615 = 0.99385

5 0
3 years ago
Theoretically if a card is chosen 200 times, how many times would you expect to get a card without stripes?
steposvetlana [31]

Answer:

5

Step-by-step explanation:

200/2=100 then after 100 u divide card by 2 so 100/2 and that's 50 and then last divide by 10 because its the circumference so its 5

3 0
2 years ago
How many models of 100 do you need to model 3200 explain ​
rusak2 [61]

32 models need to make model of 3200.

Given that a 1 model contain 100.

Two series of numbers, usually empirical data, that are proportional or proportional if their respective elements are in constant proportion, called the scaling factor or the rate constant.

One model has 100 elements.

Now, we have to find how many model contains 3200 elements.

So, 1 model=100 elements

n model =3200 elements

We will write this in proportion as

1/n=100/3200

Applying the cross multiply, we get

3200×1=n×100

Divide both sides with 100, we get

3200/100=100n/100

3200/100=n

32=n

Hence, the  32 models contain 3200 elements when one contain 100 elements.

Learn more about proportional from here brainly.com/question/23536327

#SPJ9

4 0
1 year ago
If the mass of a metal bar which is 3.25m long is 15 kg,find its mass per metre.
Law Incorporation [45]
The answer is 4.61 :)
7 0
3 years ago
Can someone please help me on these questions?
sleet_krkn [62]
The first one is equal to 4 3/5


Because we add the front and add te numerator for the battle its stay the same
The second one is 3 1/1 so it's 3 1

We jut subtrat
7 0
3 years ago
Read 2 more answers
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