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aniked [119]
3 years ago
5

One of your classmates is working on an assignment for her statistics class. She created an online survey to collect student opi

nions about the college class schedule. She only has time before her engineering class to distribute the link to the survey. So she stands outside the engineering building just before class each day and randomly selects students as they enter the building. She hands each selected student a link to the survey and asks the student to go online and answer the questions. Over several months, she repeats the process until 200 students go online and take the survey.Which of the following statements accurately describes your classmate’s survey? Check all that apply.1.The sample is not representative of the population.2.The sample is biased.3.The sample is large, so the results of the survey will be reliable.4.The survey can be used to draw conclusions about the population.
Mathematics
1 answer:
raketka [301]3 years ago
6 0

Answer:

...... idk

Step-by-step explanation:

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It takes 4 hours and 15 minutes to fly from Orlando, Florida, to Boston, Massachusetts. The distance between the two cities is 1
3241004551 [841]

Answer:

262.12mph and 419kph

Step-by-step explanation:

Given: It takes 4 hours and 15 minutes to fly from Orlando, Florida, to Boston, Massachusetts. The distance between the two cities is 1114 miles

To Find: the average speend of the plane in miles per hour, If every mile is approximately 1.6 kilometers, the speed of the airplane in kilometers per hour

Solution:

Distance between Orlando,Florida and Boston, Massachusetts=1114 \text{miles}

Time taken to cover the distance =4\text{hours} and 15\text{minutes}

We know that,

\text{Average Speed}=\frac{\text{Total Distance}}{\text{Total time}}

                                          =\frac{1114}{\frac{17}{4}}

                                          =\frac{1114\times4}{17}

                                          =262.12 \text{mph}

It is given that,

1\text{mile}=1.6\text{kilometer}

therefore,

1\text{mph}=1.6\text{kph}

Speed Of plane in Kilometers per hours =\text{speed in mph}\times1.6

                                                                   419.4\text{kph}

Speed of in miles per hour  is 262.12 \text{mph} and Speed in kilometer per hour  419.4\text{kph}

3 0
3 years ago
Help me on this please
insens350 [35]

Answer:

A. x1/15

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is (3x+8) + (6x+2) in simplest form
barxatty [35]
(3x+8) + (6x+2) \\ \\ 3x + 8 + 6x + 2 \ / \ simplify \\ \\ (3x + 6x) + 8 + 2 \ / \ gather \ like \ terms \\ \\ 9x + 8 + 2 \ / \ simplify \\ \\ 9x + 10 \ / \ simplify \\ \\ Answer: \fbox {9x + 10}
7 0
2 years ago
Read 2 more answers
Help!!<br>n/4+7=8<br>(/ means fraction)
Harman [31]
THE CORRECT ANSWER IS N=4
8 0
2 years ago
Write the absolute value equation that has two solutions x=5 and x=11
Gelneren [198K]

Answer:

|8-x|=3

Step-by-step explanation:

Find the average

11+5=16

16*1/2=8

8-5=3

8-11=-3

|3|=|-3|

|8-x|=3

4 0
3 years ago
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