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ikadub [295]
3 years ago
13

gn="absmiddle" class="latex-formula">
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

Answer is \frac{33}{8}

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Freeeeeeeeeeepointssssssssssssssssss
LUCKY_DIMON [66]

Answer:

thanks

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The class scores of a history test have a normal distribution with a mean Mu = 79 and a standard deviation Sigma = 7. If Opal’s
e-lub [12.9K]

Using the normal distribution, we got that expression for the z-score of her test score is

z= \frac{72-29}{7} \\\\z=-7/7\\\\z=-1

<h3>What is Normal Probability Distribution?</h3>

it's a type of probability distribution which is  symmetric about the mean, it gives data near the mean are more frequent than data far from the mean.

Given that mean =\mu=79

and standard deviation =\sigma = 7

X=73

we know that formula of z-score is

z=\frac{X-\mu}{\sigma}

Hence Z-score can be calculated as

z= \frac{72-29}{7} \\\\z=-7/7\\\\z=-1

Using the normal distribution, we got that expression for the z-score of her test score is

z= \frac{72-29}{7} \\\\z=-7/7\\\\z=-1

To learn more about the normal distribution visit : brainly.com/question/24663213

3 0
3 years ago
Help me pleaseeee????!
Veseljchak [2.6K]
The answer is A because if u shift 4 units up then it's +4
7 0
4 years ago
Help due really soon​
nadya68 [22]

Answer:

B.) y - 6 = -8/5(x + 2)

Step-by-step explanation:

Remember in order to find the slope intercept form on 2 points, you need these equations: \frac{x_2 -x_1}{y_2 -y_1} and y-y_1=m(x-x_1)

To find the slope, you will need to use the first equation. In this case the equation will look like this: \frac{(-2)-6}{3-(-2)}=-\frac{8}{5}

Then use the second equation, plug in the numbers, and you will get B as your answer

5 0
3 years ago
On the last math test in Mr. Hallman's class, 15 out of 25 students scored
Ugo [173]

Answer:

40%

Step-by-step explanation:

15 out of 25 = .60

.60 = 60%

60% + 40% equals 100%

5 0
3 years ago
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