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motikmotik
2 years ago
13

A research group is on a college campus and is conducting a survey regarding the coffee consumption of college students in Ameri

ca. They randomly select three sample groups of 100 registered students to complete their survey, which asks the students to identify the average number of 8-ounce cups of coffee they consume each day. The results of the three sample groups are shown in the table below.
0 1 2 3 4+
Sample #1 38 19 26 16 1
Sample #2 32 14 37 15 2
Sample #3 41 22 31 6 0
One researcher looked at the results and made the following inference: "More college students don't drink coffee than do." Is this a valid conclusion? Explain your reasoning using complete sentences.
Mathematics
2 answers:
Anika [276]2 years ago
8 0
D is the answer to your question
ololo11 [35]2 years ago
6 0

Answer:

it is D because my teacher and I did a  sample test and these were one of the questions plus I've seen people with the same answer for this question. take my word for it

Step-by-step explanation:

hope this helps :D (pls brainliest

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Find the population density of a city with an area of 598 square miles and a population of 21,500 people.
Pie

Answer: 35.12\text{ persons per square mile}

Step-by-step explanation:

Given: The area of a city = 598 square miles

The population of city = 21,500 people.

The population density for a city is given by :-

\text{Population density }=\frac{\text{Number of people }}{\text{Land area}}\\\\\Rightarrow\ \text{Population density }=\frac{21000}{598}\\\\\Rightarrow\ \text{Population density }=35.11705\approx35.12\text{ persons per square mile}

Hence, the population density of a city  = 35.12\text{ persons per square mile}

3 0
3 years ago
Two numbers have a sum of 117 and a difference of 43. Find the numbers.
blondinia [14]

Answer:

this kid grayson is deleting my answer and i dont know how when they arent even his questions and he is being a little brat

Step-by-step explanation:

so watch out for him

6 0
3 years ago
Read 2 more answers
Only answer 13 and 15 i did 14 already
Neko [114]

Answer:

answer to 13 is 10

answer to 15 is 2,300?

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Finding the Vertex<br> What is the vertex of the quadratic function f(x) = (x – 8)(x - 2)?
PIT_PIT [208]

Answer:

The vertex is (5,-9).

8 0
3 years ago
One number is three less than twice another find these number if their product 44
NemiM [27]
The answer:

(-11,-4) and (8,11/2)

All you do is divide the second equation by y and set them equal to each other. Then solve for y and you get a quadratic. Just solve that and u get the answer.
7 0
3 years ago
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