The U. S. Bureau of Labor Statistics reports that 11.3% of U. S. workers belong to unions (BLS website, January 2014). Suppose a sample of 400 U. S. workers is collected in 2014 to determine whether union efforts to organize have increased union membership.

Formulate the hypothesis that can be used to determine whether union membership increased in 2014.

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)

What is the length and width of a 84.5 square foot rug? will mark