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Elodia [21]
3 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]3 years ago
7 0
Hehdhdhdjdudjdhakahhsu jejdjdjdjsbsjd
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X and y intercepts of -3x+4y=-36
Andrews [41]
X intercept is 12
Y intercept is 9.
To find answer just cover up the one you don't want.
For x it would be -3x=-36
For y it would be 4y=-36
8 0
3 years ago
I need help with 9-81 ASAP PLS THIS IS MY HW
Yuri [45]
It is -72 lol. that's pretty basic you know
4 0
3 years ago
Read 2 more answers
What is 56:21 in simplest form
lana [24]
We can divide each digit by 7. So 56/7=8 and 21/7=3 so.... 8:3
3 0
3 years ago
Read 2 more answers
HELPPP....PLEASE...........
kogti [31]

Answer:

9 1/3, 12 1/2, 14 3/4

Step-by-step explanation:

I assume the formula you’re working with is A=b*h since nothing says otherwise...

((Patio 1))

So you have your area (147) and your base (15 3/4), now you need to plug them in, which should look like this:

147= 15 3/4*h

You need to isolate your h in order to get the missing number, so you should divide both sides by 15 3/4 OR 63/4 ((15*3—>60+3=63))

Dividing by a fraction is the equivalent of multiplying by its reciprocal... so

147 * 4/63 = 588/63 which can be simplified to 84/9 once both the numerator and denominator are divided by 7

In mixed number for it is 9 3/9 which simplified becomes 9 1/3

You solve the other similarly

3 0
3 years ago
A jar contains 2 orange, 4 green, 2 white and 2 black balls. What is the probability of drawing an orange ball without putting i
KonstantinChe [14]

Answer:

2/45

Step-by-step explanation:

We are told that:

A jar contains 2 orange, 4 green, 2 white and 2 black balls.

The total number of balls in the jar is calculated as:

2 orange balls + 4 green balls + 2 white balls + 2 black balls = 10 balls

The probability of drawing an orange ball = P(Orange) = 2/10

The probability of drawing a black ball = P(Black) = 2/10

Therefore, the probability of drawing an orange ball without putting it back, then drawing a black ball is calculated as:

2/10 × 2/9 = 4/90

= 2/45

7 0
3 years ago
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