Hello :
cos60 = cos(-60)=0.5
The simplest for this answer is 27.66666666..... or 83/3. Hope it help!
Answer:
13
Step-by-step explanation:
Answer:
Given that the probability of winning is = 0.05
So the probability of losing is = 1 - 0.05 = 0.95.
We are told we have a 1 in 20 chance
Success: 0.05
Failure: 0.95
P(X=4)= 0.95*0.95*0.95*0.05
So the chance is 0.04286 or Option D