Mathematics, 23.06.2019 10:30 nany1982
Mr. dotson wants to know if the neighbors on his street would be interested in a community watch. he surveys every fourth household on the street and concluded that 70% would be interested. a. not valid, because he should have surveyed people in the entire city. b. there is no way to determine if the conclusion is valid or invalid. c. valid, it is an unbiased systematic random sample. d. not valid, because he needs to survey every person for it to be accurate.
Answers: 3
Mathematics, 21.06.2019 22:30
What is the approximate value of q in the equation below? οΏΌβ1.613β1.5220.5853.079
Answers: 1
Mathematics, 21.06.2019 23:30
Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?
Answers: 1
Mathematics, 22.06.2019 00:30
Which polynomial equation of least degree has -2, -2, 3, and 3 as four of its roots? (x + 2)(x - 3) = 0 (x - 2)-2(x + 3)3 = 0 (x-2 + 2)(x2- 3) = 0 (x + 2)2(x - 3)2 = 0
Answers: 2
Mr. dotson wants to know if the neighbors on his street would be interested in a community watch. he...
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