Answer: Yes, it is unusual to find that 993 of the 2500 televisions are tuned to "Eyewitness News".
Explanation:
Since we have given that
Number of randomly selected televisions = 2500
Percentage of televisions within the Chicago city limits are tuned to "Eyewitness News" = 36%
So, Number of televisions within the Chicago city limits are tuned to "Eyewitness News" is given by
[tex]\dfrac{36}{100}\times 2500\\\\=0.36\times 2500\\\\=900[/tex]
Yes, it is unusual to find that 993 of the 2500 televisions are tuned to "Eyewitness News".