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3 years ago

What is the equation of the function shown in the graph, given that the equation of the parent function is f(x)=(1/4)^x

Mathematics

1 answer:

Artyom0805 [142]3 years ago

8 0

Answer:

Step-by-step explanation:

This graph is the parent function y = (1/4)x shifted down 3 units

So....the correct answer is : f(x)=(1/4)x −3

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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 ~ $Binom(n=680, p=0.55)$

Now, we have to find the mean and standard deviation of the given binomial distribution.

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

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Paladinen [302]

Answer:

C=10pi

Step-by-step explanation:

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2 years ago

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1/3x + 4 = 10 what is x

nydimaria [60]

Answer:

X = -13/10

Step-by-step explanation:

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3 years ago

A film student wants to capture a shot of a satellite dish placed at the top of a building. The line of sight between the ground

Vlad1618 [11]

Answer:

34.78 feet

Step-by-step explanation:

1) using the cosine function, I did cos(43)=x/51

This is because cosine is equal to adjacent over hypotnuse

Once I found x, I used the pythagorean theorem to get 34.78 feet

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3 years ago

What property is shown by the equation?

Tom [10]

E. negative one property of multiplication.

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3 years ago