That would be rolling a 1 and a 2 .
so possibilities are 1 on first die and 2 on the second die
OR 2 on first die and 1 on the second.
Both of these have a probability of 1/6 * 1/6 = 1/36
so required probability = 1/36 + 1/36 = 2/36 = 1/18
The things that are to be done before creating a research question for a presentation are: option C, D, and E.
<h3>What is a
research question?</h3>
A research question can be defined as an issue, event or subject of inquiry that a researcher is keenly and deeply interested to provide a response or an answer to, when conducting a research.
Basically, the things that are to be done before creating a research question for a presentation are:
- Review the research topic and what the prompt asks for.
- Think of an argument or an opinion if necessary.
- Consider what I know and what I need to know.
Learn more about research question here: brainly.com/question/10129052
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Answer:
A is spanned by vector.
Step-by-step explanation:
The null space of matrix is set of all solutions to matrix. The linearly independent vectors forms subset which are spanned and forms the null space. The null space of vector can be found by reducing its echelon. The non zero rows formed are the null spaces of matrix.
What part do you not understand?
