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stich3 [128]
3 years ago
13

Pete is conducting a survey to determine his customers overall satisfaction about the quality of his company's products. He send

s out surveys to the 5 customers who have purchased the largest number of items over the past year.Are his results likely to be representative of the population he is trying to analyze? Explain.
Mathematics
2 answers:
exis [7]3 years ago
7 0
The answer is no it is not likely. He  should choose the customers randomly.
spayn [35]3 years ago
3 0
The sample size is too small. Only sending the survey to his best customers will create biased results, in the surveyor's favor. 
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Step-by-step explanation:

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8 0
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Read 2 more answers
If the angles of a triangle are (2y - 5)degrees, (y + 20)degrees, and (3y-5) degrees what are the values of the angles​
NNADVOKAT [17]

Answer:

<h3>\boxed{ \boxed{ \bold{ \sf{51.68  \: , \: 48.34 \:,  \: 80.02}}}}</h3>

Step-by-step explanation:

Let's solve:

As we know that the sum of angles of traingle adds to 180°

\sf{2y - 5 + y + 20 + 3y - 5 = 180}

Collect like terms

⇒\sf{6y - 5 + 20 - 5 = 180}

⇒\sf{6y   + 15 - 5 = 180}

⇒\sf{6y + 10 = 180}

Move constant to right hand side and change it's sign

⇒\sf{6y = 180 - 10}

Calculate the difference

⇒\sf{6y = 170}

Divide both sides of the equation by 6

⇒\sf{ \frac{6y}{6}  =  \frac{170}{6} }

Calculate

⇒\sf{y = 28.34}

Now, let's replace the value:

⇒\sf{2y - 5 = 2 \times 28.34 - 5 = 51.68}

⇒\sf{y + 20 = 28.34  + 20 = 48.34}

⇒\sf{3y - 5 = 3 \times 28.34 - 5 = 80.02}

Hope I helped!

Best regards!!

8 0
3 years ago
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