The number of patients treated at dr. white's dentist office each day for nine days is 10, 6, 4, 15, 6, 8, 6, 15, 4. find the mean, median, mode, and range of the
if necessary, round to the nearest tenth.
a) 6,7.2, 6, 11
b) 8.2, 6, 6, 11
c) 8.2, 6, 6, 19
d) 7.2, 6, 6, 19

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?