1 year ago

Can you find the value of x?

Mathematics

1 answer:

Taya2010 [7]1 year ago

3 0

Answer: 5

Step-by-step explanation: We can use the Pythagorean Theorum here.

4^2 + x^2 = 7^2

16+ x^2 = 49

x^2 = 25

x = 5

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2 years ago

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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.

In this problem:

Event A: Company fires the CEO

Event B: Shares increase by more than 5%.

Probability of a company firing it's CEO:

35% of 100 - 4 = 96%(shares did not increase by more than 5%).

60% of 4%(shared did increase by more than 5%).

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Intersection of events A and B:

Fires the CEO and shared increased by more than 5%, is 60% of 4%. So

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Probability that the shares of a company that fires its CEO will increase by more than 5%.

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.024}{0.36} = 0.0667$

0.0667 = 6.67% probability that the shares of a company that fires its CEO will increase by more than 5%.

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1 year ago

Can you find the value of x?​

Can you find the value of x?