According to a recent study, 18% of the people in the united states are of hispanic origin. one county supervisor believes her county has a different proportion of hispanic people than the nation as a whole.
she looks at their most recent survey data, which has a random sample of 458 county residents, and found that 46 of those surveyed are of hispanic origin.

calculate the test statistic and p-value.

Which expression shows the sum of the polynomials with like terms grouped together

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.