Mathematics, 24.10.2019 11:43 omriejs5
Maria wants to determine which student is favored for president of the student council. which of the following samples are biased and not random? select all that apply. 1.surveying the boys in the freshman class. 2.surveying every other student in the cafeteria.3. surveying all the students in her math class. 4.surveying 20 students from each grade at random.5. surveying the students in the chess club.
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The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?
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70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?
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Maria wants to determine which student is favored for president of the student council. which of the...
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