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SOVA2 [1]
3 years ago
10

for which of the following would it be appropriate to use positive integers for the domain of the function? select all that appl

y. The function c(p) represents The cost for P people to attend the movies. the function m(t) represents the miles driven over T hours. the function t(m) represents the average high temperature for a given number of months. the function p(w) represents the prophet of a farmer who sells whole watermelons. the function h(n) represents the number of person-hours it takes to assemble n engines in a factory
Mathematics
2 answers:
Novosadov [1.4K]3 years ago
7 0
Domain is the x-values. 

Scenarios where positive integers are appropriately used for the domain of the function:

<span>The function c(p) represents The cost for P people to attend the movies. (number of people can either be 0 going upwards)

</span><span>the function m(t) represents the miles driven over T hours (hours always start with 1.)

</span><span>the function t(m) represents the average high temperature for a given number of months (number of months always start with 1)

</span><span>the function p(w) represents the prophet of a farmer who sells whole watermelons (count of whole watermelon starts with 1)
</span>
<span>the function h(n) represents the number of person-hours it takes to assemble n engines in a factory (number of engines always start with 1)</span>
Otrada [13]3 years ago
3 0

Answer:

A,B,E

Step-by-step explanation:

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For X a binomial random variable with n=5 and p=1/4, answer the following
mash [69]
Recall that for X\sim\mathrm{Bin}(n,p), i.e. a random variable X following a binomial distribution over n trials and with probability parameter p,

\mathbb P(X=x)=f_X(x)=\begin{cases}\dbinom nx p^x(1-p)^{n-x}&\text{for }x\in\{0,1,\ldots,n\}\\\\0&\text{otherwise}\end{cases}

So you have

\mathbb P(X=2)=\dbinom52\left(\dfrac14\right)^2\left(1-\dfrac34\right)^{5-2}=\dfrac{135}{512}\approx0.26

\mathbb P(2\le X\le4)=\displaystyle\sum_{x=2}^4\mathbb P(X=x)
=\dbinom52\left(\dfrac14\right)^2\left(1-\dfrac14\right)^{5-2}+\dbinom52\left(\dfrac14\right)^3\left(1-\dfrac14\right)^{5-3}+\dbinom52\left(\dfrac14\right)^4\left(1-\dfrac14\right)^{5-4}
=\dfrac{375}{1024}\approx0.37

The expected value of X\sim\mathrm{Bin}(n,p) is simply np, while the standard deviation is \sqrt{np(1-p)}. In this case, they are \dfrac54=1.25 and \sqrt{\dfrac{15}{16}}\approx0.97, respectively.
7 0
3 years ago
5
natulia [17]

Answer:

1648

Step-by-step explanation:

5/9 are girls. The 9 represents the total.

Set up a proportion and you have

5/9 = ?/3708

3708/9=412

412x5= 2060 girls

3708-2060= 1648

8 0
3 years ago
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<span>B.When x=-4, y=-9 and when x=2, y=3.

</span><span>3y-6x=-3
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</span>
<span>3y-6x=-3
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3 years ago
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In this question, it is given that

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a_{1} = a_{1-1} -25(1)&#10;\\&#10;a_{1} = a_{0} -25&#10;\\&#10;a_{1} = 150 -25&#10;\\&#10;a_{1} = $125

And that's the amount remaining in the card after 1 week .

5 0
3 years ago
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