What is the significance of the mean of a probability distribution? choose the correct answer below. a. it gives information about how the outcomes vary. b. it represents the most likely possible outcome. c. it is the expected value of a discrete random variable. d. it can never be negative?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis