Answer:
participant bias
Step-by-step explanation:
Participant bias is sometimes called as subject bias. it is referred to as the tendency of a subject that forces them to act in an experiment. it is held because that they think researchers is looking up to them to act. it occurs only when the subject has detail knowledge about the study or project.
Participant bias is a subject initiative to know about the inner thought of the researcher so the subject acts according to what the researcher wants to hear.
Answer:
Step-by-step explanation:
Im pretty sure its A
Answer: 36
Step-by-step explanation:
(Triangle ABC is isosceles)
(base angles of an isosceles triangle are congruent)
(In triangle CMB, angles in a triangle add to 180 degrees)
(triangle sum theorem)
(30-60-90 triangle CMB)
(sides opposite congruent angles in a triangle are congruent)
(segment addition postulate)
Answer:
Option A.
Step-by-step explanation:
According to this survey results :
Students : 80 like viking and 20 like patriot.
Teachers : 5 like viking and 15 like patriot.
In Option B it is given that patriot is more popular in students while viking is more popular in teachers which is not correct.
In option c patriot is equally popular in students and teachers, which is also not correct. because patriot is popular in 20% of students but 80% in teachers, which is not correct.
In option d there is no difference between students and teachers, this statement is also not correct because there is lots of differences in their choices.
In Option A it is said that viking is more popular in students but patriot is more popular in teachers. this is correct.
Answer:
Assuming that the $1 bill was pulled at random, then the expected value of the amount chosen is 
.
Step-by-step explanation:
From the given question, the bag contains;
$1 bill = 7
$5 bill = 1
$10 bill = 3
$20 bill = 2
Total number of bills in the bag = 13
Pulling a bill at random, the bills would have an expected value as follows:
For $1 bill, the expected value =
For $5 bill, expected value = 
For $10 bill, expected value = 
For $20 bill, the expected value = 
Assuming that the $1 bill was pulled at random, then the expected value of the amount chosen is .
