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Vinil7 [7]
3 years ago
5

The student council at mountain view high school plans to conduct a survey to determine the student body's opinion of the new lu

nch menu. Which of the following sampling methods would be most likely to result in UNDERCOVERAGE bias?
A. Setting up a booth in the lunchroom where students can give their thoughts

B. Obtaining an alphabetical list of all students and surveying every 10th student

C. Handing out a questionnaire to seniors only

D. Handing out a survey to the first 50 students entering the cafeteria at lunch
Mathematics
1 answer:
valkas [14]3 years ago
4 0

Answer:

c

Step-by-step explanation:

just did it on a.pex

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14. Set A contains all integers from 50 to 100, inclusive, and Set B contains all integers from 69 to 138, exclusive. How many i
tamaranim1 [39]

Answer:

30

Step-by-step explanation:

We have to make the intersection between these sets, and we see that they intersect in the range: [70,100], and d(70,100) = 30, that is the answer.

5 0
3 years ago
Factor 1/3 out of 1/3x−50/3
wlad13 [49]

Answer:

50 1/3

Step-by-step explanation:

3 0
4 years ago
Roughly estimate the volume of a tennis ball in cubic cm by using 6 cm for diameter and 3 for pi. round the answer to the neares
galben [10]

The volume of ball is 113.04 cubic centimeter

<em><u>Solution:</u></em>

Given that we have to find the volume of tennis ball

Since the ball is of sphere shape, we can use the sphere formula

<em><u>The volume of sphere is given by formula:</u></em>

V = \frac{4}{3} \times \pi \times r^3

Where, "V" is the volume and "r" is the radius

Given that,

Diameter = 6 cm

Therefore,

Radius = \frac{diameter}{2}\\\\Radius = \frac{6}{2}=3

<em><u>Substituting in formula, we get</u></em>

V = \frac{4}{3} \times 3.14 \times 3^3\\\\V = 4 \times 3.14 \times 3^2\\\\V = 12.56 \times 9\\\\V = 113.04

Thus volume of ball is 113.04 cubic centimeter

3 0
3 years ago
The index rises 4.9% over the course of the day. What is the value of the index at the end of the day? Round your answer to the
makvit [3.9K]

Answer: $70400

Step-by-step explanation:

Attached is the question:

Based on the information given in the question:

Value of Stock X = 5000 × $4.30 = $21500

Value of Stock Y = 2000 × $3.20 = $6400

Value of Stock Z = 8000 × $4.90 = $39200

Total Stock Value = $67100.

Since there's a 4.9% increase in value of index, the value of the index at end of the day will be:

= $67100 × (100% + 4.9%)

= $67100 × 104.9%

= $67100 × 1.049 =

= $70388

= $70400 approximately

8 0
3 years ago
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How far Sam is away from the donut shop in the following graph given below
emmasim [6.3K]

Answer:

WHAT GRALPH  

Step-by-step explanation:

3 0
3 years ago
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