Mathematics, 29.06.2019 06:10 Haileydusenbery
Students in a large statistics class were randomly divided into two groups. the first group took the midterm exam with soft music playing in the background, and the second group took the exam with no music playing. after the exam was completed, a researcher compared deidentified exam scores of the two groups. which of the following is the reason this experiment was not blind? a. the sample sizes in both groups was large. b. the students knew whether or not music was playing while they were taking the exam. c. students were randomized into the two groups. d. some of the students may not have studied for the exam. e. researchers looked at exam scores for the two groups.
Answers: 1
Mathematics, 21.06.2019 18:00, DominaterDreemurr
In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36
Answers: 3
Mathematics, 22.06.2019 00:00, isabellecannuli
Margaret is purchasing a house for $210,000 with a 15 year fixed rate mortgage at 4.75% interest she has made a 5% down payment the house is valued at 205,000 and the local tax rate is 3.5% homeowners insurance 600 per year what are her total monthly payment
Answers: 1
Mathematics, 22.06.2019 01:00, jayjay9434
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?
Answers: 1
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