I NEED THE ANSWER FOR THIS INEQUALITY ASAP 30+6r ≤ 100

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

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.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3