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In each scenario state the null and alternative hypothesis, and explain the type I and type II errors that might occur. 1)The state of Georgia is considering spending $350 million on a computerized mathematics curriculum that for grades 3 – 10. They pilot the program with 250 students in grades 5 and 6 whose end-of-course test scores are compared to the state average score of 150. 2) b) Researchers are studying the effects of TV watching on cognitive development in toddlers. Recent surveys have shown that 21% of 3-year-olds watch more than 5 hours of TV per day, and reports from cognitive psychologists indicate TV exposure may “rewire” the developing brain in adverse ways. They wish to test if toddlers who watch 5 hours or more of TV daily score less than average of 40 on tests of cognitive ability when entering first grade.
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