Answer:
Step-by-step explanation:
10+W=25
Answer:
10 years
Step-by-step explanation:
30 + 10 = 40
10 + 10 = 20
20 is half of 40
Answer:
So the way to express a vector( ) as a product of its length and direction is
Step-by-step explanation:
Generally a vector is expressed as a product of its length and direction using the formula below
Here v is the vector
|v| is its magnitude (length)
u is its unit vector (direction)
Now let take an example
Let
The magnitude is mathematically evaluated as
The unit vector is mathematically represented as
So
Answer: 10
Step-by-step explanation:
The formula to find the sample size is given by :-
Given : Significance level :
Critical z-value=
Margin of error : E=5
Standard deviation :
Now, the required sample size will be :_
Hence, the final sample required to be of 10 .