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Sedaia [141]
2 years ago
4

In a simple random sample of 70 automobiles registered in a certain state, 28 of them were found to have emission levels that ex

ceed a state standard. what proportion of the automobiles in the sample had emission levels that exceed the standard? round your answer to four decimal places. be sure to express your answer as a proportion (i.e., a probability) rather than a percentage.
Mathematics
1 answer:
Free_Kalibri [48]2 years ago
5 0
Proportion that exceed the standard = 28/70 = 2/5 = 0.4

Answer: 0.4
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raketka [301]

Answer:

The histogram for the given data is shown below.

Step-by-step explanation:

In a dot plot, the dots above a point represent the frequency of that number.

From the given dot plot we can make a frequency table as shown below.

Number        Frequency

     8                     0  

    10                     1

    12                     3

    14                     3

    16                     5

    18                     4

    20                    2

    22                    1

    24                    1

    26                   0

In histogram, each bar above a number represents the frequency of that number.

The histogram for the given data is shown below.

7 0
2 years ago
Read 2 more answers
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liberstina [14]

Answer:

2.8

Step-by-step explanation:

x2.3, x2.4, 2.8, x2.9, x2.9

4 0
1 year ago
A flag stick on a golf course that is 6 1/2 feet tall casts a 9 3/4 foot shadow while a golfer nearby casts a 8 3/4 foot shadow.
vredina [299]
5 1/2 feet tall because the shadow is 1 foot shorter and so must the person be 1 foot shorter
6 0
2 years ago
Why might the triangulation method not always produce an exact point (other than any measurement errors)
Rufina [12.5K]

Answer:

The triangulation method might not always produce an exact point (other than any measurement errors) because:

The method uses different data sources, researchers, and theories or perspectives.

Step-by-step explanation:

Research Triangulation uses multiple methods, data sources, different investigators, and varied theories for the purpose of developing a more comprehensive understanding of the underlying situations.  Triangulation validates the qualitative research by obtaining information from different sources, investigators, viewpoints, or methods.

3 0
2 years ago
The school cafeteria has 4 rows of tables each row has 22 seats. The school patio has 12 tables. Each table seats 4 students. Ho
o-na [289]

Answer:

Here the answer, dearie.

Step-by-step explanation:

22 \times 4 = 88 \\ 12 \times 4 = 48 \\ 88 + 48 = 136

So, 136 people can sit in cafeteria and the patio.

6 0
2 years ago
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