DYLAN KENT 2022-09-20
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Find each unknown for problem. Check your work. 1000−n=2581000−n=258
asked 2020-12-17
Montarello and Martins (2005) found that fifth grade students completed more mathematics problems correctly when simple problems were mixed in with their regular math assignments. To further explore this phenomenon, suppose that a researcher selects a standardized mathematics achievement test that produces a normal distribution of scores with a mean of μ=100 and a standard deviation of σ=24. The researcher modifies the test by inserting a set of very easy problems among the standardized questions and gives the modified test to a sample of n = 36 students. If the average test score for the sample is M = 120, is this result sufficient to conclude that inserting the easy questions improves student performance? Use a one-tailed test with α=.05.
The null hypothesis in words is ?
asked 2022-04-09

A die is weighted in such a way that each of 2, 4, and 6 is twice as likely to come up as each of 1, 3, and 5. Find the probability distribution. What is the probability of rolling less than 5?

asked 2022-06-21

$12000 is invested at 4.5% APR, compounded continuously

 

 

asked 2022-07-17

Make any 10 questions ( real life examples) to form linear equations to get solutions as 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. respectively and then solve.

asked 2022-08-23

Set of composite numbers that are divisible by 4 and less than 18

asked 2022-06-27

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