Question 2 Enrique wants a skateboard that cost $68.00. The sales-tax rate in his city is 62%. What is the total cost of the skateboard?

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?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers