sam conducted a survey to find out the favorite weekend activity of the students in his middle school. he asked 20 of his classmates. he found out that the favorite weekend activity of his middle school is playing video games because 75% of the students he surveyed liked to play video games. explain why sam’s sample may not be valid. provide 2 or 3 sentences of explanation with facts to support your answer. how could sam improve his survey to be more representative of his school?

So, Sam only asked 20 people in his entire middle school. That is a very small fraction of the amount of kids attending that school. He cannot say that video games is 75% of the entire school's favorite weekend activity if he only asked 20 people. To get a better, more valid result, he should ask around 100+ kids.

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above is right

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so far i think you have the right thing going for you just remember soh cah toh

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sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse