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Samsonb
21.01.2020 •
Mathematics
Brianliesttt asap!me : )
determine whether the situation calls for a survey, an observational study, or an experiment.
you want to find out if a new drug can lower blood pressure.
a. observational study
b. experiment
c. survey
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Ответ:
A.![\displaystyle observational\:study](/tpl/images/0464/5918/0b451.png)
Step-by-step explanation:
This takes alot of extended research before you even think about using the drug on patients.
I am joyous to assist you anytime.
Ответ:
Exact form: 1/2
Decimal form: 0.5
Step-by-step explanation: