Answer: 2.5%
Step-by-step explanation:
Mean score = 65
Standard deviation = 5
Score (x) = >75
Z-score = [(score - mean) ÷ standard deviation]
Z - score = [(75 - 65) ÷ 5]
Z - score = 10 ÷ 5 = 2
P(score higher than 75) = 100 - 95 = 5/2 = 2.5%
Answer:
the correct option is option c.
Step-by-step explanation:
We have the expression: (160*243)^1/5
First, we know that 160 = 5(2^5)
And, 243 = 3^5
Then we have: (160*243)^1/5 = [5(2^5)(3^5)]^1/5 = 6(5)^1/5
So the correct option is option c.
Answer:
thanks haahhahahaha
Step-by-step explanation:
Answer:
Graph B
Step-by-step explanation:
we know that
The graph that represent the situation
As x increases, y increases
Is the graph B or the graph C
but
Graph B represent a moderate coefficient of correlation r (-0.5 to -0.3 or 0.3 to 0.5)
Graph C represent a strong coefficient of correlation r (-1.0 to -0.5 or 1.0 to 0.5)
In this problem we have r=0.42
so
The coefficient of correlation is Moderate
therefore
The answer is the Graph B
