In history, you earned an exam score of x-85 where the exam average was μ-65 with a standard deviation of σ-5. in biology, you earned an exam score of x-90 where the exam average was μ י 85 with a standard deviation of σ-10. in which class did you score better compared to your classmates?

a. biology
b. no answer text provided.
c. you did equally well in both classes.
d. history

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years