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2 years ago

DRAW TWO LINES THAT BOTH REPRESENT PROPONTINAL RELATIONSHIPS BUT HAVE DIFFRENT SLOPES LABEL ONE LINE A AND OTHER B

Mathematics

2 answers:

Sophie [7]2 years ago

4 0

Answer:

may i see the question

Olin [163]2 years ago

3 0

Answer:

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Step-by-step explanation:

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Not all visitors to a certain company's website are customers. In fact, the website administrator estimates that about 5% of all

Gnom [1K]

Answer:

0.0135 = 1.35% probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

Step-by-step explanation:

For each visitor of the website, there are only two possible outcomes. Either they are looking for the website, or they are not. The probability of a customer being looking for the website is independent of other customers. This means that the binomial probability distribution is used to solve this question.

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.

5% of all visitors to the website are looking for other websites.

So 100 - 5 = 95% are looking for the website, which means that $p = 0.95$

Find the probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

This is P(X = 2) when n = 4. So

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

$P(X = x) = C_{4,2}.(0.95)^{2}.(0.05)^{2} = 0.0135$

0.0135 = 1.35% probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

5 0

2 years ago

One month Lisa rented 2 movies and 3 video games for a total of $26. The next month she rented 6 movies and 5 video games for a

xxMikexx [17]

Answer:rental cost for movie $5.50 rental cost for video game $5.00

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Say that you put the set of tiles shown below into a bag and conduct a series of trials in which you draw one tile randomly from

Karolina [17]

Answer:

letter. c

Step-by-step explanation:

8 0

3 years ago

Which is an arithmetic sequence?A)9, 12, 16, 20...B)9, 11, 13, 16...C)1, 5, 9, 13, 17...D)12, 14, 16, 18...

marta [7]

Answer: https://www.khanacademy.org/commoncore/grade-HSF-F-IF#HSF-IF.A.3

Step-by-step explanation:

copy and paste the link on to your search bar

8 0

2 years ago

There are 18 bulls and 45 cows on a ranch. If 4 more bulls and 4 more cows were added, will the ratio of bulls to cows remain th

Elanso [62]

Here is how to solve this:

18 +4 = 22 bulls

45 + 4 = 50 cows

The original ratio was, 18:45 but now its 22:50 so, no the ratio will not be the same.
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5 0

2 years ago