2 years ago

Which property justifies the following equation?

Mathematics

1 answer:

Leviafan [203]2 years ago

5 0

1. . D . Identity , when you odd both properties it will always to be true on both sides

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Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to fi

Keith_Richards [23]

Answer:

P(X = 12) = 0.0064.

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

In this problem we have that:

$n = 30, p = 0.2$

We want P(X = 12). So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 12) = C_{30,12}.(0.2)^{12}.(0.8)^{18} = 0.0064$

P(X = 12) = 0.0064.

6 0

2 years ago

Which graph is an example of a function whose parent graph is of the form y = x

trapecia [35]

When line is parallel to y axis

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2 years ago

(4x) to the power of -4

Eva8 [605]

Answer:

3.90625×10^_03

Step-by-step explanation:

gshdieej

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2 years ago

10,792,400 in word form

Studentka2010 [4]

10,792,400 in word form would be ten million seven hundred ninety-two thousand four hundred. hope this helps! ♥

7 0

2 years ago

At the middle school graduation dance, the DJ played 12 slow dances, which was equal to the quotient of the number of fast dance

belka [17]

quotient means divide

so 12 = x/2

x = 12*2 = 24

x =24 fast songs

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2 years ago