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lesya [120]
3 years ago
10

The Career Placement department at a university wants to administer a survey to determine student awareness of the resources off

ered. The department expects that student awareness of the Career Placement resources will vary significantly depending on how many years a student has attended the university, so they plan to randomly select 30 freshmen, 30 sophomore, 30 juniors, and 30 seniors. This type of sample can be best described as a:_______.(A) simple random sample.(B) systematic sample.(C) stratified sample.(D) cluster sample.(E) block sample.
Mathematics
1 answer:
Finger [1]3 years ago
6 0

Answer:

stratified sample

Step-by-step explanation:

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Write an equation in slop _intercept form of the line that bisects the angle formed by BA and BC
kotegsom [21]

Answer:

y = -x + 2

Step-by-step explanation:

Angle between these lines = 90°

Angle between BC and the angle bisector BD = 45°

Since, m(∠DBE) = 90° + 45° = 135°

Therefore, slope of the angle bisector BD = tan(90° + 45°)

                                                                      = -tan(45)°

                                                                      = -1

Let the equation of the angle bisector which passes through (x', y') and slope = m,

y - y' = m(x - x')

Where m = slope of the line = (-1)

Since, the angle bisector passes through a point B(-1, 3),

Equation of BD will be,

y - 3 = (-1)(x + 1)

y - 3 = -x - 1

y = -x - 1 + 3

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3 years ago
Suppose that a point (X,Y) us chosen at random from the rectangle S defined as follows: S={(x,y) : 0<= x <=2 and 1<=y&l
mrs_skeptik [129]
For a 19 foot scale find the frequency of a note to the frequency of the preceding note?
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If angle KLJ~angle VWU. Find the x value
Alenkasestr [34]

Answer:

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Step-by-step explanation:

Since angle KLJ~angle VWU are similar :

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Cross multiply :

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50x - 80x = - 460 - 50

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3 years ago
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18+36=54
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3 years ago
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It would be 37’000 because 20% of 185000 is 37’000 which you get by 20 x 185000 and dividing the answer to 100.

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