Mathematics, 10.10.2019 23:00 nikki225
Aprogram that was intended to cure a person’s fear of spiders was offered at a local zoo. volunteers with a fear of spiders participated in the program, which included holding a spider for 15 minutes. one month after they completed the program, the participants were contacted and surveyed about the program. over 90 percent of the participants claimed they were cured of their fear of spiders. based on the description of the program, which of the following statements is true?
(a) because over 90% of the participants claimed to be cured, the results prove that holding a spider will cure a person's fear of spiders
(b) because over 90% of the participants claimed to be cured, the results can be generalized to the population of all people who have a fear of spiders.
(c)because the participants were volunteers, the study is a census of all people in the local area who have a fear of spiders. confounding variable and the results can be generalized to the population of all people who have a a fear of spider
(d)because the participants were self-selected, a person's desire to be cured could be a confounding variable.
(e) because participants held a spider for 15 minutes, the study is an experiment fear of spiders.
Answers: 2
Mathematics, 21.06.2019 16:30
Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?
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Mathematics, 21.06.2019 19:20
Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)
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Mathematics, 21.06.2019 20:30
Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?
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Aprogram that was intended to cure a person’s fear of spiders was offered at a local zoo. volunteers...
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