Caitlyn calculated the probability of the complement of rolling a number greater than 2 on a 6-side number cube. She made her ca
lculation as follows. Did she make an error? Explain.
3 answers:
Answer:
Yes, she made an error because she didn't define the problem correctly.
Step-by-step explanation:
In the picture attached, the complete question is shown.
Let's define
A: rolling a number greater than 2
Complement of an event are all outcomes that are not the event, then the complement of rolling a number greater than 2 is rolling a number less than or equal to 2 (notice that 2 is not greater than 2). The outcomes that satisfied this criteria are {1, 2}, that makes a total of 2 possibilities. In a 6-side number cube there are 6 possible outcomes, then:
p(Complement of A) = 2/6 = 1/3
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Answer:
Step-by-step explanation:
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So the right options are:
Further explanation:
Given equation of line is:
2x+5y=10
We have to convert it into point-slope form
The co-efficient of x is the slope of the line
So,
As the required line is parallel to given line, it will also have same slope.
Let m1 be the slope of required line
Then the line will be:
Putting the value of slope
Putting (-5,1) in the equation to find the value of b
Putting the values of slope and b in equation
Multiplying the whole equation by 5 will give us:
5y = -2x-5
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Another form of equation of line is Point-slope form
Putting the values of slope and point in the equation, we get
So the right options are:
Keywords: Point-Slope form, Parallel lines
Learn more about point slope form at:
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