Mathematics, 03.01.2020 06:31 maria5633
Identify the type of observational study (cross-sectional, retrospective, or prospective) described below. a research company uses a device to record the viewing habits of about 2500 households, and the data collected over the past 2 years will be used to determine whether the proportion of households tuned to a particular children's program increased. which type of observational study is described in the problem statement?
a. a prospective study
b. a retrospective study
c. a cross-sectional study
Answers: 1
Mathematics, 21.06.2019 16:20, lejeanjamespete1
Which math sentence can be used to determine if the triangle is a right triangle?
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Mathematics, 21.06.2019 22:40, btaylor1179
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
Answers: 3
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