First, It's a function.
Second, domain is {a,b,c,d}
Third, range is {x,y,z}
Reason why it's function because
1. A single value in Input doesn't have 2 lines connected (domain must not be repetitive.)
2. All Inputs have lines connected to Output (if not then not a function.)
Answer:
20 min
Step-by-step explanation:
5 is 1/3 of 15
That means that the time is 1/3 of a hour which is 20 min
Answer:
answer is down
Step-by-step explanation:
4) S and Z
5) A line that goes vertical and then goes to the right
see this:
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/
/
/
/
Answer:
No, a convenience sample was taken.Therefore, the sample may not be representative of all college students in terms of number of hours studied per week.
Step-by-step explanation:
One of the important conditions required in other to estimate the mean of the population from the confidence interval. Requires that the data must be a random Sample. This is to ensure that sample values are not biased and as such are representative of the larger group of data.
However, in the scenario described above, the sample chose. Are friend's of the student, this makes the data lack randomness as those who aren't friends to the student do not stand a chance of being selected. The sampling procedure employed is called convenience sampling.
Answer:
4
Step-by-step explanation:
