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2 answers:
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Given :
Suppose the distributor charges the artist a $40.00 cost for distribution, and the streaming services pays $4.00 per unit
Step-by-step explanation:
Cost of distribution is the fixed cost . y intercept is the fixed cost.
Distributor charge is 40. So y intercept = 40
Payment per unit is the slope that is 4 per unit.
slope =4
Slope intercept form is
Where m is the slope and b is the y intercept.
y intercept b=40. and slope m=4
So the equation of the line is
The graph of the line is included below
To find the number of streams that pay for distributor charges , we set
the equation equal to 0 and solve for x
10 streams you pay for distributor charges.
Given profit is 750,000. so y=750,000
We need to find out x the number of streams
we know that 1 unit = one thousand streams
so , Approximately 187 streams
Answer:
y intercept = 40
slope =4
y=4x+40
10 streams you pay for distributor charges.
187 streams to get profit $750,000
Calculate the value of z and its probability, since with this we can know how likely it is that this will happen.
We have that the mean (m) is equal to 8.3, the standard deviation (sd) 1.2 and the sample size (n) = 15
They ask us for P (x =7.2)
For this, the first thing is to calculate z, which is given by the following equation:
z = (x - m) / (sd / (n ^ 1/2))
We have all these values, replacing we have:
z = (7.2 - 8.3) / (1.2 / (15 ^ (1/2))
z = -3.55
With the normal distribution table (attached), we have that at that value the approximate probability is:
P (z = -3.55) = 0.0001
The probability is 0.01 %
This affirms that the students do not sleep what the study says because the probability of this happening according to the survey is almost nil.
