Since it’s vertical it would be x=-7
Answer:
Todd's Z-score is - 0.27
Step-by-step explanation:
<u><em>Explanation</em></u>:-
<u><em>Step(i)</em></u>:-
Given data A test is normally distributed with a mean of 70 and a standard deviation of 10.
<em>Mean of the population 'μ' = 70 </em>
<em>Standard deviation of the Population ' σ ' = 10</em>
<em>let 'x' be the random variable in normally distributed</em>
<u><em>Step(ii)</em></u>:-
<em>Given raw score 'x' = 55</em>
Todd's Z-score


Z = -0.27
<u><em>Final answer</em></u>:-
<em>Todd's Z-score is - 0.27 </em>
Answer:
51 + 85 = 136
Step-by-step explanation:
Hi,
The ratio of two numbers is 3 to 5.
Let x represent the constant of the proportionality
3x + 5x = 136
8x = 136 (divide both sides by 8)
x = 17
The numbers are:
3*17 = 51 and
5*17 = 85
CHECKING our answer***
51 + 85 = 136
Answer:
87.35%
Explanation:
If the total is 1,032,471, it equals 100%
African Americans are in 901,896
1,032,471=100
901,896 = X
Cross multiply
1,032,471x=90,189,600
Divide
x= 87.35%
Hope you get it!