Answer:
bbbbbbbbbbbbbbbbbbbbbbbbbbbb
Step-by-step explanation:
Answer:

Step-by-step explanation:
Standard form for a circle is:
(h, k) is the center r is the radius


Answer: 1.9166
Step-by-step explanation:
Let
be the population mean.
By considering the given description, we have

n=20

s=7
Since, the population standard deviation is unknown , so we use t-test.
Test statistic : 
i.e . 
[Rounded to four decimal places.]
Hence, the value of the t-test statistic : 1.9166
Answer:
I am saying it would be: 5/6
Step-by-step explanation:
There are only two purple marbles and there are 10 blue and red marbles, so, it's 5/6. Please don't delete my answer, I am only trying to help.