On a standardized test the standard deviation is 30 points. Sheena scores 1023. She is told that this is 1 standard deviation above the mean. What is the mean score on the test?

Question 6 options:

1053

1000

993

A. the following events are mutually exclusive: living in california and watching american idol. true or false b. the number of patients seen by an outpatient practice is an example of a discrete random variable. true or false c.the law of large numbers states that as the number of times an event experiment is conducted increases, the likelihood of the actual probability of an event approaching the theoretical probability decreases. true or false d. measuring the time it takes for patients to enter the operating room is an example of a continuous random variable. true or false