80% of Americans have at least 1 sibling
It is unknown if Richard Spikes had siblings. He was an African-American engineer.
Umm i can not answer for all americans but 2 siblings is normal :) hope my answer helped!
none
Edward Brooke was the first African American to be elected to the US senate (1966). He had no siblings.
What is the percentage of African American enthic groups in Canada?
Yes
edward-teller
55
The percentage of unemployed American citizens is 10.8 % . (as of January 2010)this can be found in Google's Public Data Section
Marie and Donny Osborne
Not enough!!
60%