810 with 130% increase

2 answers:

8 0

If you multiply 810 by 1.3 (130% in decimal form) then you get the increase, and with that number, you can add it to 810 to get your final answer:
810x1.3=1053
810+1053=1863

Bezzdna [24]3 years ago

3 0

130 to 810 is 523.076 because 130<span> is the old value and </span>810<span> is the new value. In this case we have a % of increase because the new value is greater than the old value.</span>

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A long novel is opened to a random page; the probability that the page is numbered something between 21 and 31.

Harrizon [31]

Using the uniform distribution, considering that the novel has 435 pages, the probability that the page is numbered something between 21 and 31 is:

$p = \frac{10}{435}$

<h3>What is the uniform probability distribution?</h3>

It is a distribution with two bounds, a and b, in which each outcome is equally as likely.

The probability of finding a value between c and d is:

$P(c \leq X \leq d) = \frac{d - c}{b - a}$

Researching the problem on the internet, it is found that the novel has 435 pages, hence a = 0, b = 435, and the probability that the page is numbered something between 21 and 31 is given by:

$P(21 \leq X \leq 31) = \frac{31 - 21}{435 - 0} = \frac{10}{435}$