First take the original price and multiple by 1/4 or .25. You should get 4.73 then you subtract that from 18.95 and your answer is 14.22
Answer: [0,3]
The line is going up from left to right between 0 and 3 on the x-axis. We use a closed bracket because it is a open circle.
The probability of senior citizens suffer from sleep disorders is

The probability of senior citizens suffer from anxiety is,0.09.

The probability of seniors suffer from both sleep disorders and anxiety is,

a. The probability that a senior citizen suffers from anxiety, given that he or she has a
sleep disorder.

