1. 1 7/8
wait a minute for me to answer number 2
Answer: D. This was a random sample. It may have included anyone in attendance.
Step-by-step explanation:
The options are:
A. This was a biased sample. Jim should interview all in attendance.
B. This was a census. Any guest may have participated.
C. This was a random sample. It may not have included anyone in attendance.
D. This was a random sample. It may have included anyone in attendance.
A random sampling is simply referred to as a subset of individuals that are picked from a larger set of individuals.
With regards to the question, Jim wanted to find out what the audience thought about the debate and after the event, he stood at the exit to survey every fifth guest.
This means that it was a random sampling and anyone could have been picked, the sampling wasn't bias.
Answer:
4.485 × 〖10〗^10 x 1.3268 × 〖10〗^11 =
(4.485 x1.3268) ×( 〖10〗^11× 〖10〗^10)
5.950 x 〖10〗^21
Step-by-step explanation:
The answers are option C) segment and option D) ray
<u>Step-by-step explanation</u>:
Line :
- A line has arrow mark in the two ends. So, the diagram is not a line.
Point :
- A point represents particular spot as a small dot. So, the diagram is not a point.
Segment :
- It is a piece of line that has two end points. This part of line is called line segment and it is shown in the picture. option C is correct.
Ray :
- A ray is a line with one endpoint and the other end extends with an arrow mark. So, the option D is also correct.