Identify techniques that are convenience samples. select all that apply. a group of students is selected by a random number generator a group of students is selected by a computer a group of students is randomly selected based on their grade point average a group of students that are available only after school a group of students that are available only before school

Answers

the first one

step-by-step explanation:

Bwould be the answer

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

7.666270253x10 raised to the 18th power


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