The samples that are appropriate to survey regarding how the city’s residents feel about building a new youth center are:
- 100 residents who live near the proposed site for the youth center.
- 50 children at each of the city’s four elementary schools.
- 100 parents of children at each of the city’s four elementary schools.
<h3>What is sample?</h3>
Sample can be defined as the way of randomly collecting data or information from a group of population so as to draw or reach a conclusion.
Most researcher tend to collect sample when carrying out a survey in which they will then examine, analyze and evaluate the sample they collected before reaching a conclusion.
When a researcher want to carryout survey so as to know how the resident of a city feel about building a new youth center. The researcher has to collect the survey sample from :
- 100 residents who live near the proposed site for the youth center.
- 50 children at each of the city’s four elementary schools.
- 100 parents of children at each of the city’s four elementary schools.
Therefore the correct option is B,D,E.
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The complete question is:
Which are samples that are appropriate to survey regarding how the city’s residents feel about building a new youth center? Select all that apply.
10 names selected from the city phone book.
100 residents who live near the proposed site for the youth center.
100 tourists at the city park last Friday.
50 children at each of the city’s four elementary schools.
100 parents of children at each of the city’s four elementary schools.
Answer:
750 people will come in at 15 hours.
Step-by-step explanation:
350 divided by 7=50 50 times 15=750
sorry i don't know the rest
Answer:
the probability that the user is fraudulent is 0.00299133
Step-by-step explanation:
Let be the events be:
G: The user generates calls from two or more areas.
NG: The user does NOT generate calls from two or more areas.
L: The user is legitimate.
F: The user is fraudulent.
The probabilities established in the statement are:
With these values, the probability that a user is fraudulent, if it has originated calls from two or more areas is:
Answer:
(A.) - <em>The y-intercept is 3, and the slope is 1/3</em>
Step-by-step explanation:
I believe x=3.
If you plug in 0 for X in x+y=3, you get that y=3.
When you plug it in (2x+5(3)=21) you get 2x+15=21.
When you subtract 15 from 21, you're left with 2x=6. Divide both sides by 2, and x=3.
I hope I was able to help. Best of luck.