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3 years ago

It's possible to build a triangle with side lengths of 3, 3, and 9.

Mathematics

1 answer:

cestrela7 [59]3 years ago

6 0

Answer: No.

Good luck! I hope this is right!

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What are the square root of 36/100

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4 years ago

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You are to take a multiple-choice exam consisting of 64 questions with 5 possible responses to each question. Suppose that you h

stepan [7]

Answer:

(a) The expected score is 12.8

(b) The standard deviation is 3.2 and variance is 10.24

Step-by-step explanation:

Consider the provided information.

You are to take a multiple-choice exam consisting of 64 questions with 5 possible responses to each question.

Here n=64 p=1/5 and q=1-1/5=4/5

Part (a) we need to find the expected score on the exam.

Expected = np

Expected score = number of questions × P(right)

$Score = 64 \times \frac{1}{5} = 12.8$

Hence, the expected score is 12.8

Part (b) Compute the variance and standard deviation of x.

Standard Deviation: $\sigma =\sqrt{npq}$

Now calculate the standard deviation as shown:

$\sigma =\sqrt{64\times \frac{1}{5}\times \frac{4}{5}}$

$\sigma =\sqrt{\frac{256}{25}}$

$\sigma =\frac{16}{5}=3.2$

Variance: $\sigma^2 =npq$

$\sigma^2 =64\times \frac{1}{5}\times \frac{4}{5}$

$\sigma^2 =\frac{256}{25}$

$\sigma^2 =10.24$

Hence, the standard deviation is 3.2 and variance is 10.24

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3 years ago

-2.1 1.3 1.5 -1.2 -0.6 0.9 3.4 from least to greatest

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-2.1 , -1.2 , -0.6, 0.9, 1.3 , 1.5 , 3.4

Hope this helps!

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downlaod photo math, take a pic of the question and boom. theres your answer

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