Make a table of value for y=4x+8
1 answer:
The table is attached below
<em><u>Solution:</u></em>
Given that,
y = 4x + 8
We have to make a table of value
<em><u>When, x = 0</u></em>
y = 4(0) + 8
y = 8
<em><u>When, x = 1</u></em>
y = 4(1) + 8
y = 4 + 8
y = 12
<em><u>When, x = 2</u></em>
y = 4(2) + 8
y = 8 + 8
y = 16
<em><u>When, x = 3</u></em>
y = 4(3) + 8
y = 12 + 8
y = 20
The table is attached below
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Answer:
Keenan's z-score was of 0.61.
Rachel's z-score was of 0.81.
Step-by-step explanation:
Z-score:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean and standard deviation
, the z-score of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
Keenan scored 80 points on an exam that had a mean score of 77 points and a standard deviation of 4.9 points.
This means that
So
Keenan's z-score was of 0.61.
Rachel scored 78 points on an exam that had a mean score of 75 points and a standard deviation of 3.7 points.
This means that . So
Rachel's z-score was of 0.81.