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3 years ago

The number /3 goes on forever with no repeating pattern;therefore,it is rational

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

8 0

Answer:

Actually this is irrational

Step-by-step explanation:

Irrational numbers continue forever without repeating for a good example would be pi

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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

5 0

4 years ago

All insurance companies are equal. Each one is as good as any other one. true or false?

IrinaK [193]

I would say false just because if someone thinks one is better than another it is an opinion. I think false because saying something is equally popular to another is an opinion but if the companies were saying they were alike it would be a fact.

Please let me know if this helped you at all.

Step-by-step explanation:

5 0

4 years ago

Read 2 more answers

Brent is making a wooden display case for his baseball collection. He has 54 balls from American League games and 42 balls from

masya89 [10]

Brent needs 6 rows to display the balls.

Step-by-step explanation:

Given,

Number of ball from American League games Brent has = 54

Number of ball from National League games he has = 42

To find out the number of rows to display the given balls.

We need to find out the GCF of 54 and 42.

Now,

54 = 3×3×3×2

42 = 7×3×2

GCF = 3×2 = 6

Hence,

Brent needs 6 rows to display the balls.

5 0

4 years ago

5+q+p;use p=6 and q=-2

kari74 [83]

Answer:

9 give brainliest please I need it to level up

Step-by-step explanation:

p = 6

q = -2

5 + q + p

5 + (-2) + 6

5 0

3 years ago

Read 2 more answers

Jennifer and Jane are best friends. They placed a map of their town on a coordinate gridand found the point at which each of the

koban [17]

Given:

Jennifer and Jane are best friends. They placed a map of their town on a coordinate grid and found the point at which each of their house lies. If Jennifer's house lies at (2, 12) and Jane's house is at (16, 2) and they wanted to meet in the middle.

Required:

8 0

1 year ago