The following table shows the expressions that represent the sales of 4 companies:
1 answer:
Answer: C. B, A, C, D
Step-by-step explanation:
We know that the exponential growth function is represented by :-
, where r is the growth rate.
The exponential decay function is represented by:-
, where r is the decay rate.
Now for Company A the sales function=
⇒ It is a growth function with growth rate 0.03 or 3 %.
For Company B the sales function=
⇒ It is a decay function with decay rate 0.11 or 11 %.
Similarly for Company C, there is growth rate of 0.23 or 23% and for Company D, there is growth rate of .90 or 90 %
Thus, the rank according to the sales by smallest to largest percent of increase will be B, A, C, D
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Answer:
The requirements that are necessary for a normal probability distribution to be a standard normal probability distribution are <em>µ</em> = 0 and <em>σ</em> = 1.
Step-by-step explanation:
A normal-distribution is an accurate symmetric-distribution of experimental data-values.
If we create a histogram on data-values that are normally distributed, the figure of columns form a symmetrical bell shape.
If X N (µ, σ²), then
, is a standard normal variate with mean, E (Z) = 0 and Var (Z) = 1. That is, Z
N (0, 1).
The distribution of these z-variates is known as the standard normal distribution.
Thus, the requirements that are necessary for a normal probability distribution to be a standard normal probability distribution are <em>µ</em> = 0 and <em>σ</em> = 1.