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2 years ago

Please help will mark brainliest

Mathematics

1 answer:

Lynna [10]2 years ago

6 0

Z^5/8

You can tell this because exponents get added together when multiplying and the fact that the fraction goes down by a multiple of 1/8.

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What is the Median of the numbers 45, 40, 47, 50, 45, 49, 40, 46?

stepan [7]

Answer: 45

Step-by-step explanation:

The Median is the Middle # in the set.

I hope this helps!

8 0

2 years ago

Select the number property that will justify the step in the following expression.

umka2103 [35]

Positions of 2, 5, 17 are not changed - so its not commutative property

5 0

3 years ago

Suppose that the scores on a reading ability test are normally distributed with a mean of and a standard deviation of . What pro

Gnoma [55]

Answer:

The proportion of individuals score at most 74 points on this test is 70%.

Step-by-step explanation:

The complete question is:

Suppose that the scores on a reading ability test are normally distributed with a mean of 70 and a standard deviation of 8. What proportion of individuals score at most 74 points on this test? Round your answer to at least four decimal places.

Solution:

Let <em>X</em> represent the scores on a reading ability test.

It is provided that $X\sim N(70,8^{2})$ .

Compute the probability that an individuals score is at most 74 points on this test as follows:

$P(X\leq 74)=P(\frac{X-\mu}{\sigma}\leq \frac{74-70}{8})$

$=P(Z$

Thus, the proportion of individuals score at most 74 points on this test is 70%.

4 0

3 years ago

What is 2 5/8+1 1/4?

vagabundo [1.1K]

<span>(2 5/8)+ (1 1/4) = </span>3.875

3 0

3 years ago

If ur nice please answer me

Llana [10]

Hope this answer helps

5 0

2 years ago