Wages and salaries make up only part of a total compensation. other parts include paid leave, health insurance, and many others. in 2013, wages and salaries among manufacturers in the united states made up an average of 65.8% of total compensation. to determine if this changed, a random sample of manufacturing employees was drawn. can we infer that percentage of total compensation for wages and salaries increased in 2013?

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?

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.

The difference between the number of electoral votes for florida and north carolina is 12 votes. write and solve a subtraction equation to find a number of electoral votes for florida.