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disa [49]
3 years ago
8

if the probability of a train being on time is 0.24 and the probability of it being late is 0.66 what is the probability of it b

eing early
Mathematics
1 answer:
padilas [110]3 years ago
6 0
0.24 + 0.66 = 0.90
1 - 0.90 = 0.10
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A. I would suggest including <em>all</em> units in your answer. Both answers are correct but the unit is also important.

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B. Take 2010 to be year 0. Then for year <em>x</em> = 0, the fee is <em>y</em> = $350.

If the fee increases at a rate of $100 per year, this means that when <em>x</em> = 1, <em>y</em> = $350 + $100 = $450. So the graph of the function that models the dog-walking fee is a line that passes through the points (0, 350) and (1, 450), adn the slope of this line is

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Using the point-slope formula for a line, the equation you want is then

<em>y</em> - 350 = 100 (<em>x</em> - 0)

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