Answer:
.
Step-by-step explanation:
The given infinite series is
.
The first term of this series is
.
The common ratio is
.
.
The sum of this infinite series is given by the formula,

We now substitute all the above values in to this formula obtain,

This implies that,

This simplifies to,

.
The correct answer is C.
So sorry i don’t know the answer but get an app called desmond, it helps a lot
Answer:
C and D will the correct one
Step-by-step explanation:
Answer:
I think it is
Step-by-step explanation:
(18.0, 22.0). We are 95% confident that the mean age of university students is between 18 and 22.