What is the best way to gather information for each of the scenarios? select survey, experiment, or observational study for each scenario.

1) Survey

2) Observational Study

3) Experiment

4) Survey

Step-by-step explanation:

1) Survey - It's one form of observation study, since the searches does not influence the outcome. The team captain can collect information from the group to learn what they've eaten on Breakfast.

2) Observational Study - The researcher observes the subjects, but does not influence the population. So, it means that the researcher won't manipulate or treatment the sample sat. It fixed perfectly on this situation, because the team captain can use the observational study to check who can score the most goals from the best player. He will use for this - The uses of report an association.

3) Experiment - It has the researcher purposely attempting to influence the results. It uses control groups for comparison, reports a cause and effect and also generalize to the population. The goal is to determine what effect a particular treatment has on the outcome. The experiment can be used make a comparison by making praising and not making praising and check the effects of the action.

4) Survey - The last one it can be done by collecting informations from the team to check what sports they've done. Also the survey can be administered in a variety of forms: telephone, mail, online or by paper...

Survey

Observational Study

Observational Study

Survey

Step-by-step explanation:

Source: I just took the test

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

21

step-by-step explanation: