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solniwko [45]
3 years ago
11

I need help in determining which two whole numbers lie between?

Mathematics
2 answers:
Ierofanga [76]3 years ago
8 0
Well 18/5= 3.6
is this what you need to know?
3241004551 [841]3 years ago
4 0
18/5=5/5+5/5+5/5+3/5=1+1+1+3/5=3 and 3/5
3 and 3/5 is more than 3 but less than 4

between 3 and 4

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A graduate school entrance exam has scores that are normally distributed with a mean of 560 and a standard deviation of 90. What
9966 [12]

26.8% of examinees will score between 600 and 700.

This question is based on z score concept.

A Z-score is a numerical measurement that describes a value's relationship to the mean of a group of values. Z-score is measured in terms of standard deviations from the mean. If a Z-score is 0, it indicates that the data point's score is identical to the mean score.

z={x-\mu  \over \sigma }

where:

μ is the mean

σ is the standard deviation of the population

Given:

μ = 560

σ = 90

For

600≤ X≤700

for x = 700

Z score =x - μ/σ

=(700 - 560)/90

      = 1.55556

P-value from Z-Table:

P(560<x<700) = P(x<700) - 0.5 = 0.44009

for x = 600

Z score =x - μ/σ

=(600 - 560)/90

      = 0.44444

P-value from Z-Table:

P(560<x<600) = P(x<600) - 0.5 = 0.17164

∴ P(600<x<700) = P(560<x<700) - P(560<x<600)

                           = 0.44009 - 0.17164

                          =0.26845

∴26.8% percentage of examinees will score between 600 and 700.

Learn more about Z score here :

brainly.com/question/15016913

#SPJ4

4 0
2 years ago
A grocer is stocking cans of beans on his shelf for a 7-day week and will
Ugo [173]

Answer:

  • 22

Step-by-step explanation:

<u>Given inequality:</u>

  • n ≥ 4d

<u>As the number of days is 7, the number of cans is:</u>

  • n ≥ 4*7 = 28

<u>From the options, the last one is not reasonable: </u>

  • 22 because it is less than 28
5 0
3 years ago
Informal letter<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B32%7D%20" id="TexFormula1" title=" \sqrt{32} " alt=" \sqrt{32}
Elden [556K]

Answer:

4√2 is the answers for the question

Step-by-step explanation:

please give me brainlest

4 0
3 years ago
A function follows the rule y = -75 - 5 x . When the function's output is 25, the equation is 25 = -75 - 5 x .
zhenek [66]

Answer:

same here idek tbh

Step-by-step explanation:

.......

3 0
3 years ago
WILL MARK THE BRAINLIEST
Elis [28]

Answer:

Option D, 16/21

Step-by-step explanation:

<u>Step 1:  Add all of them together</u>

5 + 7 + 9

21

<u>Step 2:  Figure out how much of the plants are medicinal</u>

7 + 9

16

<u>Step 3:  Figure out the probability </u>

16/21

Answer:  Option D, 16/21

7 0
3 years ago
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