A sample of n=8 scores has a mean of m=12. What is the value of ∑x for this sample
Answer: We are given the mean of 8 scores is 12.
We are required to find the sum of these 8 observation's,
We know that:
We are given:
Hence, sum of 8 observation's,
Answer:
(i) 17.8 ug
(ii) 5 ug
Step-by-step explanation:
The equation is given as :
Initial Amount,
(a) After One Day i.e. x=1
Amount Left,
(b)After 12 days, x=12
Amount Left,
Answer:
Part 1)
Part 2)
Step-by-step explanation:
we know that
The formula to solve a quadratic equation of the form
is equal to
Part 1)
in this problem we have
so
substitute in the formula
therefore
Part 2)
in this problem we have
so
substitute in the formula
therefore
Answer:
bddd
Step-by-step explanation: