Band rues charges $950 to play all night.
1 answer:
Answer:
120 Tickets
Step-by-step explanation:
Band rues charges $950 to play all night.
- Total Cost, y=$950
DJ phoria charges $350 plus $5 for each ticket sold.
- Total Cost, y=$(350+5x), x = the number of tickets sold.
(a)The graph is attached.
From the point of intersection of the two lines, the number of tickets for which the cost of the band and the DJ would be equal is 120 tickets.
(b)
Given the two linear equations
y=950
y=350+5x
Therefore:
950=350+5x
950-350=5x
5x=600
x=120
Therefore, the number of tickets at which the cost of the band and the DJ would be equal is 120, just as obtained above.
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Answer:
the 95th percentile for the sum of the rounding errors is 21.236
Step-by-step explanation:
Let consider X to be the rounding errors
Then;
where;
a = -0.5 and b = 0.5
Also;
Since The error on each loss is independently and uniformly distributed
Then;
where;
n = 2000
Mean
Recall:
For 95th percentile or below
From Normal table; Z > 1.645 = 0.05
the 95th percentile for the sum of the rounding errors is 21.236