210 take 126/3 = 42 take 42x5 = 210
Independent because the ratio of the second cube is the same (1:6), and it isn't affected by the result of the first cube
Answer:
a.1.90 years
Step-by-step explanation:
We have that to find our 
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of 
.
So it is z with a pvalue of 
, so 
Now, find the margin of error M as such
In which 
is the standard deviation of the population and n is the size of the sample.
In this question:
So
So the correct answer is:
a.1.90 years
Answer:
Yes Good Job Now Mark Me Brainliest PLEASE
Step-by-step explanation:
Answer:
C. Reflect triangle J across the y-axis, then across the x-axis.
