After years of rapid growth, illegal immigration into the United
States has declined, perhaps owing to the recession and increased
border enforcement by the United States (Los Angeles
Times, September 1, 2010). While its share has declined,
California still accounts for 35% of the nation’s estimated 11.3
million undocumented immigrants.
a. In a sample of 60 illegal immigrants, what
is the probability that more than 21% live in California?
(Round “z” value to 2 decimal places, and final
answer to...