Answer:
angles 1 4 and 5 are all equal to 113 and angles 2 3 6 and 7 equal 67
Answer:
The answer is "Option a, Option b, and Option d".
Step-by-step explanation:
In the given question it is used to stratifying the sampling if the population of this scenario it flights takes off when it is divided via some strata.
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In option a, In this case, it stratified the sampling, as the population of planes taking off has been divided into the days of the week.
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In option b, It also used as the case of stratified sampling.
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In options c, it is systematic sampling, that's why it is wrong.
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In option d, It is an example of stratifying the sampling.
Answer:
a and b.
Step-by-step explanation:
I’ll explain by giving an example.
Let’s say that: a=3;b=4;c=5; => they all are consecutive -> their sum is 12.
=> if we use a) n=3 => 3*n+3=3*3+3=12 => correct.
b) n+(n+1)+(n+2)= 3+4+5=12=> correct.
c)n+2n+3n=3+6+9=18=>incorrect.
d)3n=3*3=9=>incorrect.
Answer:
ok loll
Step-by-step explanation:
