Mathematics, 15.11.2019 22:31 harcharikc8275
Using traditional methods it takes 9898 hours to receive an advanced flying license. a new training technique using computer aided instruction (cai) has been proposed. a researcher used the technique on 100 students and observed that they had a mean of 97 hours. assume the population variance is known to be 49.
1. is there evidence at the 0.05 level that the technique performs differently than the traditional method?
2. find the value of the test statistic. round your answer to two decimal places.
Answers: 3
Mathematics, 21.06.2019 19:00
Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.
Answers: 1
Using traditional methods it takes 9898 hours to receive an advanced flying license. a new training...
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