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Elodia [21]
2 years ago
7

Advertisers contract with Internet service providers and search engines to place ads on websites. They pay a fee based on the nu

mber of potential customers who click on their ad. Unfortunately, click fraud—the practice of someone clicking on an ad solely for the purpose of driving up advertising revenue—has become a problem. According to BusinessWeek, 33% of advertisers claim they have been a victim of click fraud. Suppose a simple random sample of 330 advertisers will be taken to learn more about how they are affected by this practice.
a. What is the probability that the sample proportion will be within ±0.02 of the population proportion experiencing click fraud?

b. What is the probability that the sample proportion will be greater than 0.36?
Mathematics
1 answer:
larisa [96]2 years ago
7 0
Hehdhdhdjdudjdhakahhsu jejdjdjdjsbsjd
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After being dropped from a platform, a ball bounces several times. The graph shows the height of the ball after each bounce.
Paul [167]

<u>Answer-</u>

<em>End behavior for increasing x represents that </em><em>the height of each bounce will approach 0.</em>

<u>Solution-</u>

From the graph the exponential equation is,

y=100e^{(-0.35x)}

From the properties of negative exponential function properties, as x increases, the value of y decreases.

So, in this case, as x or number of bounce increases, y or the height of bounce decreases. And eventually the value becomes zero.

Therefore, end behavior for increasing x represents that the height of each bounce will approach 0.

5 0
2 years ago
The equation r(t)= (2t)i + (2t-16t^2)j is the position of a particle in space at time t. Find the angle between the velocity and
ankoles [38]

Answer:

The answer is 135 degrees.

Step-by-step explanation:

As we are given the position. If we take the <u>derivative</u>, we get the velocity vector. If we take the <u>derivative</u> again, we find the acceleration vector of the particle.

r(t)=(2t)i+(2t-16t^{2})j

V(t)=2i+(2-32t)j

a(t)=-32j

At time t=0;

v(t)=2i+2j

a(t)=-32j

As i attach in the picture the angle between the velocity and acceleration vector is (45+90)=135 degrees

4 0
2 years ago
Find a logarithmic equation that relates y and x
Svet_ta [14]
Logarithms are only able to make an equation linear if it is an exponential function.  For example, y= e^{x} can be made linear by taking the natural logarithm of each side, causing it to become ln(y)=ln( e^{x}). After some simplifying, you are left with ln(y)=x. You are then able to plot ln(y) vs. x to get a linear fit. 
4 0
1 year ago
A gardener brought 5 rabbits, after 2 months rabbits became 10, and after 4 months they became 20. If the growth continues on th
kramer

Answer:

Initial population of Rabbit = 5 rabbit

After 2 months

Population of Rabbit = 10

After 4 months

population of rabbit = 20

Formula for growth is :

G = G_{0}[1 + R]^n, where G is final population and G_{0} is initial population, and R is growth rate.

1. 10 = 5 [1 +R]²

Dividing both sides by 5 , we get

2 = (1 + R)²

→ R + 1 = √2  ⇒ taking positive root of 2

→R = √2 -1

Amount of rabbit after 1 year = 20(1 + \sqrt2 -1)^8= 20 \times (\sqrt2)^8= 20 \times 2^4= 20 \times 16= 320




6 0
2 years ago
Read 2 more answers
Loretta deposits $350 every quarter into a savings account that earns 4.5% interest compounded quarterly. What is the balance af
Ann [662]
I am thinking the answer is C
8 0
2 years ago
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