Answer:
think it is d
Step-by-step explanation:
Answer:
The correct answer is letter "B": You use information from a first sample for collecting a subsequent subsample for further study.
Explanation:
Multi-phase sampling is a strategy by which a large number of data under study is taken, then a subsample of that pool is taken, and after that, another smaller subsample is taken in an attempt to count with samples that best might represent the whole population. Usually, the process takes collecting two different samples, but it can be applied as many times as necessary.
<u>Let's take this step-by-step:</u>
The mathematical name of this shape is a <u>right trapezoid </u>
⇒ <em>It is a trapezoid since the image shows a quadrilateral that </em>
<em> has two parallel sides and two non-parallel sides. It is a right </em>
<em> trapezoid because it has two rights angles</em>
<em> </em>The cube has <u>6</u> faces
⇒ <em>faces are the individual flat surfaces of an object</em>
<em> ⇒by looking at a picture of a cube, we see it has 6 sides</em>
<em> ⇒ (I attached an image of a cube below)</em>
Hope that helps!
Answer:
<u><em>8/20</em></u>
Step-by-step explanation
<em>boys left handed=3
</em>
<em>boys right handed=9
</em>
<em>girls left handed=2
</em>
<em>girls right handed=6
</em>
<em>what is the probability that a student chosen from random is a girl? give answer as a fraction please and include step by step process</em>
<em>girls left handed: 2</em>
girls right handed: 6
6+2=8
total all students 20
<em>8/20</em>
