Just draw a line at the midpoint and a salon also if this helps OK
Answer:
0.6384
Step-by-step explanation:
Given that:
10-mg Atorvastatin Placebo Headache 15 65 No headache 17 3
Hence the total of number of patients = 15 + 65 + 17 + 3 = 100 patients
The number of patients with headache = 15 + 65 = 80 patients
Also, C(n, x) is the number of combinations in which n items can be chosen taken x at a time it is given by the formula:

The the probability that if two different subjects they both had a headache = 
Answer:
20 degrees i believe
Step-by-step explanation:
Degrees because its a full circle unless your doing the opposite to both sides
1/2 because 25 ÷ 25 = 1 and 50 ÷ 25 = 2