The average rate of change, is pretty much just the "slope" of the graph, therefore since we know that when n = 2, y = 9, notice the point (2,9), and when n = 4, y = 1, notice the point (4,1), thus
Answer: The line has a slope of 1
Step-by-step explanation:
Look at the attachment
Answer:
P(The grade of the boy is A| He has played video games)
is,
P(The grade of the boy is B| He has played video games)
is
P(The grade of the boy is C| He has played video games)
is
Step-by-step explanation:
The total no. of boys who have played video games,
= (730 + 444 + 190)
=1360
Now, from the given data,
P(The grade of the boy is A| He has played video games)
=
P(The grade of the boy is B| He has played video games)
=
P(The grade of the boy is C| He has played video games)
=
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<span>=<span><span>(9)</span><span>(<span>x+<span>−5</span></span>)</span></span></span><span>=
<span><span><span>(9)</span><span>(x)</span></span>+<span><span>(9)</span><span>(<span>−5</span>)</span></span></span></span><span>=
<span><span>9x</span>−<span>45</span></span></span>