A reasarcher is testing a hypothesis of a single mean. the critical Z value for alpha =.05 and a two -tailed test is +1.96 the observed z value from sample data is -2.11 the decision made by the reasarcher based on this information is to the null hypothesis

Which expresions are equivalent to the one below? check all that apply. 5x

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?

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.