A marketing firm for Cobra Auto Security Systems mailed out a survey to 35% of the households in New York City, Washington DC, a
nd Chicago to determine the market for auto security systems. According to the respondents of the survey, 55% of the population uses public transportation and does not own an automobile. So, the marketing firm concluded that 55% of all Americans use public transportation and do not own an automobile. Which of the following statements is correct?
A. This method of sampling is neither biased nor unbiased.
B. This method of sampling can be considered both biased and unbiased.
C. This method of sampling is biased.
D. This method of sampling is unbiased.
1 answer:
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Hmm yes but yes than yes but yea but then the but yk the but like the and the the
Answer:
7x - 3
Step-by-step explanation:
3x+(4x-3)
Remove parenthesis
3x + 4x - 3
Combine like terms
3x + 4x = 7x
7x - 3
Because one is put into fraction form. Therefore the one in fraction form is going to be smaller. 5*4=20 and 5*1/4=1.25. I hope my answer helped you.
Answer:
5/14
Step-by-step explanation:
It’s the Last one bcuz you have to divide y by the X and the last one all equal to 0.5
