The last one would be incorrect. We are looking for PART of whatever N is. Multiply by the whole number 25 is definitely not what we want to do.
Hope I helped!
Answer: 
Step-by-step explanation:
Since we have given that

Now, we know the rule for summation , we'll apply this ,

Now, it becomes geometric progression, so we us the formula for sum of terms in g.p. which is given by

So, our equation becomes ,

Hence ,

Answer:
0.024
Step-by-step explanation:
Sample size (n) = 146 people
The proportion (p) of people who answered that they would be interested in seeing the show again is:

The standard error for a sample of size 'n' and proportion 'p' is:

The standard error for the sample proportion of audience members who want to see the show again is 0.024.
Answer:
ASA and AAS I think
Step-by-step explanation: