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Twenty-three percent of automobiles are not covered by insurance (CNN, February 23, 2006). On a particular weekend, 35 automobiles are involved in traffic accidents.
What is the expected number of these automobiles that are not covered by insurance (to the nearest whole number)?
i figured out that this is 8 but i dont know what numbers to use to answer the next two questions...
What is the variance and standard deviation (to 2 decimals)?
1 Answer
- 10 years agoFavorite Answer
23% not covered
35 in accidents on a weekend
so you want to find 23% of 35...
change 23% into a decimal by dividing it by 100
=23/100
=0.23
Now times 35 by 0.23
=35 x 0.23
= 8.05
Therefore, approximately 8.05 automobiles will not be covered by insurance.
