Mathematics, 23.03.2020 21:38 DCURLS3518
In a study to add a new feature to a software program, the programmer introduced two categories, men and women, in the survey she conducted. Is the study observational or experimental? If it is an experiment, what is the controlled factor?
Select the correct answer below:
O The study is an experiment. The controlled factor is the feature to be added in the software.
O The study is an experiment. The controlled factor is the category, men or women.
O The study is an observational study.
O The study is an experiment. The controlled factor is the survey.
Answers: 3
Mathematics, 22.06.2019 02:10
The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96
Answers: 2
Mathematics, 22.06.2019 09:00
Pierre wants to make tables and chairs. he has a total of 220220 wooden boards and 760760 nails. 13 t+8 c \leq 22013t+8c≤220 represents the number of tables tt and chairs cc he can make with 220220 wooden boards. 48 t+37 c \leq 76048t+37c≤760 represents the number of tables and chairs he can make with 760760 nails.
Answers: 1
In a study to add a new feature to a software program, the programmer introduced two categories, men...
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