2 years ago

Find the volume of the rectangular prism below. 2 1/2yd 5 3/4yd 8 yd

Mathematics

1 answer:

Free_Kalibri [48]2 years ago

7 0

I hope this helps you

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Artyom0805 [142]

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3 years ago

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3 years ago

Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% chance that the land has oil.

oksian1 [2.3K]

Answer:

0.36 = 36% probability that the land has oil and the test predicts it

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

45% chance that the land has oil.

This means that $P(A) = 0.45$

He buys a kit that claims to have an 80% accuracy rate of indicating oil in the soil.

This means that $P(B|A) = 0.8$

What is the probability that the land has oil and the test predicts it?

This is $P(A \cap B)$ . So

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

$P(B \cap A) = P(B|A)*P(A) = 0.8*0.45 = 0.36$

0.36 = 36% probability that the land has oil and the test predicts it

5 0

2 years ago

Are 3 : 5 and 1.5 : 2.5 equivalent ratios? How do you know?

svetlana [45]

Answer:

Yes.

Step-by-step explanation:

3:5= 1.5:2.5

Each number is divided or multiplyed by the same number.

Ex. 3/2=1.5 and 5/2=2.5

Hope that helps idk if its right though lol

5 0

3 years ago