Ellos tuvieron un <u><em>accidente</em></u> de carro.
In this question we must fill the blank of a sentence in Spanish with a consistent and coherent choice, which is determined by common sense and own experience.
A group of people had something related to the car. <em>Heart attack</em> is a disease that people may suffer, <em>being sick</em> is a state inherent to some people, <em>accidents</em> are bad events that may happen to people, <em>injection</em> is an action that people may decide to or not.
Hence, the only choice that is consistent and coherent is the word <em>accidente</em>.
Ellos tuvieron un <u><em>accidente</em></u> de carro.
We kindly invite to check this question on sentences in Spanish: brainly.com/question/22046418
Using it's concept, it is found that the sample mean of cars sold per week is of 4.96.
<h3>What is the mean?</h3>
The mean of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.
In this problem, the sum of the 26 observations is given by:
S = 1 + 1 + 4 + 2 + 4 + 10 + 8 + 5 + 9 + 6 + 1 + 5 + 6 + 5 + 7 + 1 + 4 + 6 + 8 + 9 + 2 + 5 + 9 + 5 + 3 + 3 = 129.
Hence the mean is given by:
M = 129/26 = 4.96.
More can be learned about the mean concept at brainly.com/question/25122507
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The chemical formula for iron(ii) hydroxide is Fe(OH)₂