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3 years ago

9

What percent of 45.4 is 6.81

1 answer:

Savatey [412]3 years ago

5 0

The awnser to this is 45%

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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

TRUE OR FALSE: <br> An isosceles trapezoid is a trapezoid with congruent legs.

dem82 [27]

Answer:

True

Step-by-step explanation:

If a quadrilateral (with one set of parallel sides) is an isosceles trapezoid, its legs are congruent.

4 0

3 years ago

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How do you find the percent to change of 86 to 150

bulgar [2K]

Answer:

57.3333333333

Step-by-step explanation:

you set up a equation that looks like this

86

___ = ______

100 150

you mutiply 100 by 86 and get 8600 then you divide that by 150 and get 57.333333333 as your finally answer.

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3 years ago

What is the prime number ot 35,69,89,90

Paladinen [302]

The prime number will be 69 and 89

3 0

3 years ago

A bank's monthly charge for maintaining an account is $.45 for each check written plus a service charge of $12.50. If x represen

Maksim231197 [3]

The function would be 12.50+.45x

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3 years ago

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