Answer:
The answer is 63, but there is no option of the answer
Step-by-step explanation:
Please give me brainliest ;)
Answer: 13
Step-by-step explanation: It goes up by 5 so 8, 13, 18, 23, and etc
Please tell me if I'm wrong
Answer:
We need an SRS of scores of at least 153.
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 M as such

In which
is the standard deviation of the population and n is the size of the sample.
How large an SRS of scores must you choose?
This is at least n, in which n is found when
. So







Rounding to the next whole number, 153
We need an SRS of scores of at least 153.
Answer:
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Step-by-step explanation:
Answer:
The answer is D 5/19.
Step-by-step explanation:
There are 20 balls and one git removed then 5 are black so you put 5 over the number of balls 20.