The amount in kilograms a, of a radioactive element that remains after t hours can be modeled by the equation a=0.65(0.92)t. what is the rate of decrease of this radioactive element

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

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?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.