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 29% of the nation’s estimated 11.9
million undocumented immigrants. Use Table 1.
a.
In a sample of 40 illegal immigrants, what is the probability
that more than 23% live in California? (Round “z”
value to 2 decimal places, and...