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2 years ago

Make z the subject 9d= 6z - 5d

Mathematics

1 answer:

yarga [219]2 years ago

4 0

Answer:

$z=2\frac{1}{3}d$

Step-by-step explanation:

$9d=6z-5d$

$6z=9d+5d$

$6z=14d$ (combine like terms)

$z=2\frac{1}{3}d$

Hope this helps :)

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3 years ago

Read 2 more answers

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Answer:

Step-by-step explanation:

Suppose we think of an alphabet X to be the Event of the evidence.

Also, if Y be the Event of cheating; &

Y' be the Event of not involved in cheating

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$P(\dfrac{X}{Y}) = 60\% = 0.6$

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$P(Y) = 0.01$

Thus, $P(Y') \ will\ be = 1 - P(Y)$

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(b)

The required probability that the evidence is present is:

P(YX or Y'X) = 0.006 + 0.000099

P(YX or Y'X) = 0.006099

(c)

The required probability that (S) cheat provided the evidence being present is:

Using Bayes Theorem

$P(\dfrac{Y}{X}) = \dfrac{P(YX)}{P(Y)}$

$P(\dfrac{Y}{X}) = \dfrac{P(0.006)}{P(0.006099)}$

$P(\dfrac{Y}{X}) = 0.9838$

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