There is a proportional relationship between the amount of time (in hours) that Savannah practices the piano, x, and how many do
llars she earns, y.
What is the constant of proportionality? Write your answer as a whole number or decimal.
______ dollars per hour
A 1dollar
B 3 dollar
C 4 dollar
D 5 dollar
What is the constant of proportionality? Write your answer as a whole number or decimal.
______ dollars per hour
A 1dollar
B 3 dollar
C 4 dollar
D 5 dollar
1 answer:
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Answer:
a)
b)
c)
d)
e) The intersection between the set A and B is the element c so then we have this:
Step-by-step explanation:
We have the following space provided:
With the following probabilities:
And we define the following events:
A= [a,b,c], B=[c,d,e]
For this case we can find the individual probabilities for A and B like this:
Determine:
a. P(A)
b. P(B)
c. P(A’)
From definition of complement we have this:
d. P(AUB)
Using the total law of probability we got:
For this case , so if we replace we got:
e. P(AnB)
The intersection between the set A and B is the element c so then we have this: