3 years ago

2r^2+3s^3-r^2+4t^2-r^2 if r=-2, s=-3, and t=5

Mathematics

1 answer:

dimulka [17.4K]3 years ago

3 0

$2(-2)^2+3(-3)^3-(-2)^2+4(5)^2-(-2)^2 = 19$

19 is the answer.

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Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X between c and d, in which d is greater than c, is given by the following formula.

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

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This means that $a = 8, b = 15.8$

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$d = 12, c = 9.7$ .

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$P(9.7 \leq X \leq 12) = \frac{12 - 9.7}{15.8 - 8} = 0.2949$

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