Y = 3x + 2 y = 6x + 3 y = 4x − 1
1 answer:
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Answer:
see attached
Step-by-step explanation:
If you plot the points on the graph, you notice that the run (change in x) is 3 for each "rise" (change in y) of -1, so the slope is ...
m = rise/run = -1/3
The middle point is on the y-axis, so is the y-intercept.
In slope-intercept form, the equation is ...
y = mx + b . . . . . . where m is the slope (-1/3) and b is the y-intercept (4)
y = -1/3x +4 . . . . equation
Complete Question
Christine has always been weak in mathematics. Based on her performance prior to the final exam in Calculus, there is a 42% chance that she will fail the course if she does not have a tutor. With a tutor, her probability of failing decreases to 12%. There is only a 52% chance that she will find a tutor at such short notice
a What is the probability that Christine fails the course
b Christine ends up failing the course. What is the probability that she had found a tutor? (Round your answer to 4 decimal places.) Probability
Answer:
a
b
Step-by-step explanation:
From the question we are told that
The probability that Christine will fail the course if she does not have a tutor is
The probability that Christine will fail the course if she has a tutor is
The probability that she will find a tutor is
Generally the probability that she will not find a tutor is
=>
Generally the probability of failing the course is
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=>
=>
Generally if Christine ends up failing the course the probability that she had found a tutor? (Round your answer to 4 decimal places.) Probability is mathematically represented as
=>
=>