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2 years ago

This is due today and NO LINKS

Mathematics

2 answers:

Alex73 [517]2 years ago

7 0

7. 3/5 I DONT KNOW SORRYYYY

Anna35 [415]2 years ago

4 0

Answer:

5. no, because each number isn't given the same amount of space. this means other numbers have a higher probability of being spun than others.

6. yes, because a cube has 6 sides so each number will have an equal probability of being rolled.

7. 12%

8. he's less likely to pull a blue one from the bag of 250 because there's a smaller percentage of blue in the bag of 250 than the bag of 25.

Step-by-step explanation:

7. 3/25 = 0.12 = 12%

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The scores on a math test are normally distributed with a mean of 64 and a standard deviation of 8. Tara scored 52 on the test.

Dvinal [7]

A z-score is the number of standard deviations from the mean a data point is.

Standard deviation explains by how much the members of a group differ from the mean value for the group.
Using the z-score formula:
z = ( x - μ ) ÷ σ
Where;
x = score
μ = Mean
σ = Standard deviation

Z- Score (Tara) = ( 52 - 64 ) ÷ 8
= - 12 ÷ 8
= - 1.5

Z- Score (Jamal) = ( 82 - 64 ) ÷ 8
= 18 ÷ 8
= 2.25

Z- Score (Samuel) = ( 66 - 64 ) ÷ 8
= 2 ÷ 8
= 0.25

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Step-by-step explanation:

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Black_prince [1.1K]

Answer:

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Step-by-step explanation:

Y=1.5x+2

y=1.5 (1) +2

y=1.5+2

y=3.5

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y=3+2

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<h2>please mark my ans as BRAIN LIST</h2>

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