2. Stacy is studying the difference in mathematical abilities of students from different high schools. Due to limited resources, she was only able to perform nonprobability sampling. However, she made sure that she got 20 freshmen, 30 sophomores, 30 juniors and 20 seniors in his sample. What type of nonprobability sampling did Stacy use? Your answer 3. A national TV network asked voters which politician they voted for upon exiting their precinct. What method of data collection did the network use?

Q: 12 5 10

A:

Q: 32 26

A: Use, sin(theta) = Perpendicular/Hypotenuse

Q: C dx 1+ C +2 X 3

A:

Q: 8 54 48

A:

Q: 3 3 x-5 1 322

A:

Q: 26. Which of the folowing isthe partial decomposition of

A: Given, 5x2+20x+25x+2x2+1

Q: 4 35 28

A: Given data: The given triangle is shown below.

Q: 2 200 2 O - 50 2 .……....... m

A: To factorize 200

Q: Rang lertex = (-7;3) qu'od

A: The quadratic function has vertex (-2,3) and a point on graph 1, 12

Q: 1 Evaluate. 5P3 • 6C4 900 300 150

A: Use the formula and evaluate.

Q: A 2/15 B 30 V35 5 20

A: Given,  A circle with secant and tangent  We have to find the value of x

Q: 216 5 5 6

A: B) It is a long division method used to divide.

Q: 62 28

A: A circle is given below as shown We have to find x°

Q: A 25 24

A:

Q: 28 47

A:

Q: 24 27 x 18

A: Two chords intersecting inside the circle and we need to find the value of x.

Q: 5 23 4 48 1 5 75

A: Given       5  2 3 − 4 4 8¯      1  5 7 5

Q: h each scatterplot shown below with one of the four specified correlations. O 8 9 a. -0.02 b. 0.66…

A: From the above scatter plot From First scatter plot  The value of correlation coefficient is  -0. 85…

Q: 35 B 40 Find B

A: Value of angle B is 130 degree see below the explanation

Q: 3. 2 2 .b O 3 4 3.

A:

Q: 72° C 9x A

A: Given,          A triangle is shown below :

Q: 11 4.

A:

Q: 6 √275

A:

Q: I need help with 6b

A:

Q: ス 1+ es

A: We will find the solution We will find C.F and P.I  Then the solution Y = C.F + P.I

Q: 2)148

A: We can solve this as follows:

Q: N 11 9

A: Here given that N/9=11

Q: ГО Г0 3 -31 2 3-3 62 5 1 -6 3 || Н

A:

Q: m21, m22, m3 2 56 43 3.

A: Given diagram is,

Q: there can only be 1 answer

A: The equation for a plane is

Q: 2 hundreds + 8 tens + 7

A: topic - numbers

Q: 20÷10

A: Given that 20÷10