Choose the correct answer below. A. The level of significance, , is the probability of committing a Type I error, rejecting the null hypothesis when it is, in fact, true.
B. The level of significance, , is the probability of committing a Type I error, rejecting the null hypothesis when it is, in fact, true.
C. The level of significance, , is the probability of committing a Type II error, not rejecting the null hypothesis when it is, in fact, false.
D. The level of significance, , is the probability of committing a Type II error, rejecting the null hypothesis when it is, in fact, true.
E. The level of significance, , is the probability of committing a Type II error, rejecting the null hypothesis when it is, in fact, true.
F. The level of significance, , is the probability of committing a Type I error, not rejecting the null hypothesis when it is, in fact, false.

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Design an er diagram for keeping track of information about votes taken in the u.s. house of representatives during the current two-year congressional session. the database needs to keep track of each u.s. state's name (e.g., texas', new york', california') and include the region of the state (whose domain is {northeast', midwest', southeast', southwest', west'}). each congress person in the house of representatives is described by his or her name, plus the district represented, the start date when the congressperson was first elected, and the political party to which he or she belongs (whose domain is {republican', democrat', 'independent', other'}). the database keeps track of each bill (i.e., proposed law), including the bill name, the date of vote on the bill, whether the bill passed or failed (whose domain is {yes', no'}), and the sponsor (the congressperson(s) who sponsored - that is, proposed - the bill). the database also keeps track of how each congressperson voted on each bill (domain of vote attribute is {yes', no', abstain', absent'}). additional information:

Find all the angles that satisfy the equation cos(θ)=32