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goblinko [34]
2 years ago
9

From a hot-air balloon, Ian measures a 30^{\circ}

Mathematics
1 answer:
natka813 [3]2 years ago
5 0

The balloon’s vertical distance above the ground is 721.7 f

<h3>Angle of elevation and depression</h3>

In order to determine the balloon's vertical distance, we will use the SOH CAH TOA identity

Given the following parameters

Angle of depression = 30 degrees

Horizontal distance =1250 feet

Required

vertical distance H

Using the SOH CAH TOA identity

tan 30 = H/1250

H = 1250tan30
H = 721.7 feet

Hence the balloon’s vertical distance above the ground is 721.7 feet

Learn more on angle of elevation and depression here: brainly.com/question/2096694

#SPJ1

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Answer:

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Step-by-step explanation:

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According to a study done by a university​ student, the probability a randomly selected individual will not cover his or her mou
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Answer: kindly check explanation

Step-by-step explanation:

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Hence, p(covering mouth) = 1 - 0.267 = 0.733

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Using binomial distribution :

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P(x =8) = 12C8 * 0.267^8 * 0.733^(12-8)

P(x =8) = 12C8 * 0.267^8 * 0.733^4

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To save computation time, we can use an online binomial probability calculator :

P(X < 6) = 0.9275

C.) Yes, I will be surprised, because from the binomial probability obtained above, there is a high probability (0.9275) that fewer than half do not cover their mouth.

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