Trevor is interested in purchasing the local hardware/sporting goods store in the small town of dove creek, montana. after examining accounting records for the past several years, he found that the store has been grossing over $850 per day about 50% of the business days it is open. estimate the probability that the store will gross over $850 for the following. (round your answers to three decimal places.)

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Do you mind if you guys me with this question i’m on number 8

Similarly fie each expression 18,19,20