Answer:
see explanation
Step-by-step explanation:
Given that y varies inversely with x then the equation relating them is
y = ← k is the constant of variation
(A)
To find k use the given condition y = 2 when x = 10
k = yx = 2 × 10 = 20, thus
y = ← equation of variation
(B)
When x = 4, then
y = = 5
Answer:
5.60/6= 0,93 for one soda
11.23/9= 1.24 for one soda
so better buy is 6-pack
2730/10,000 in decimal notation is 0.273
Answer:
Step-by-step explanation:
Let X be the no of vehicles that require warranty service within I year out of vehicles sold (9) yesterday.
Each vehicle is independent of the other to get warranty service
Hence X is binomial with p=8% = 0.08
So P(X=x) =
c)
d) Mean = Mean of binomial = np =
Var (x) = npq =
Std dev = square root of variance = 0.8139