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Lubov Fominskaja [6]
3 years ago
12

A television news program asks its viewers to call in to give their opinions on an upcoming ballot question. What type of sampli

ng method does this represent?
Mathematics
1 answer:
Alla [95]3 years ago
4 0

Answer:

This is an example of self selecting sampling

Step-by-step explanation:

This is an example of self selecting sampling because the news program is asking viewed to give their opinions. The viewers themselves have a choice of participating in the sample therefore is self selecting.

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Prove that every bounded increasing sequence is convergent
aleksklad [387]
The proof of this can be get with a slight modification. It can be prove that every bounded is convergent, If (an) is an increasing and bounded sequence, then limn → ∞an = sup{an:n∈N} and if (an) is a decreasing and bounded sequence, then limn→∞an = inf{an:n∈N}.
4 0
3 years ago
Jay and Alex have a total of 77 toy cars between them. Jay has 20% more than Alex. How many toy cars do they each have?
Ann [662]

Answer:

0.1

Step-by-step explanation:

100% - 20% = 0

77% - 20% = 0

100% - 77% = 0.1

8 0
2 years ago
Suppose I have three variables in my dataset called testscr, str, and income. I first execute the command "reg testscr str, r".
IrinaVladis [17]

Answer:

4. It should be less than coefficient on str in the first regression

Step-by-step explanation:

Since the str and income are positively correlated and the coefficient on income in the second regression is positive, the coefficient on str in the second regression therefore should be less than coefficient on str in the first regression.

5 0
4 years ago
Someone please help me.
Free_Kalibri [48]
<h3>Explanation:</h3>

1. PQ║TS, PQ ≅ TS, PT and QS are transversals to the parallel lines . . . given

2. ∠P ≅ ∠T . . . alternate interior angles at PT

3. ∠Q ≅ ∠S . . . alternate interior angles at QS

4. ΔPQR ≅ ΔTSR . . . ASA postulate

_____

You can use any pair of angles together with the sides PQ and TS. If you use the vertical angles and one of ∠T or ∠S, then you must invoke the AAS postulate for congruence, as the side is not between the two angles.

3 0
3 years ago
PLEASE ANSWER ASAP! GIVING BRAINLIEST! PLS THIS IS A TEST!
kherson [118]

Answer:

Each Person should owe  30$.

Step-by-step explanation:

84.99+5.10=90.

90/3 friends= 30$ each. There fore, the friend's calculation is not reasonable.

3 0
3 years ago
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