Mathematics, 26.02.2022 16:00 aneisha0117
Which of the following is not a characteristic of both experiments and surveys?
O A. The researcher exercises direct control over at least one variable
O B. The data collected might be studied for patterns.
O C. Subjects should be randomly selected.
D. Data are collected about a population.
Answers: 2
Mathematics, 21.06.2019 18:30
Can someone check if i did this correct. itโs number 4 if youโre wondering.
Answers: 1
Mathematics, 21.06.2019 18:30
Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
Answers: 3
Mathematics, 21.06.2019 20:20
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
Which of the following is not a characteristic of both experiments and surveys?
O A. The researche...
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