-(-3)power (n )
n is 1;2;3;4;....
Answer:
Z score with a confidence level of 95% is 1.96
Step-by-step explanation:
The computation of the z score with the confidence level of 95% is shown below:
While determining the margin of error for the normally distributed population from the sample, the z score of the confidence level of 95% is 1.96
The same is to be considered
Therefore the third option is correct
Answer:
The sum is 2275
Step-by-step explanation:
Given

Required
The sum
Using arithmetic progression, we have:

Where:
--- first term
--- last term


So, we have:




5/12 is less than 1/2 because 6/12 = 1/2
Therefore, there are not enough 1/12 pieces to equal or exceed 1/2.
Answer:
A. -1 ≤ x < 2
Step-by-step explanation:
It shows on the number line.