SOLUTION: Confused on where to go from here. below is what I have done so far with this problem.. Help Please! B) In testing a new drug, researchers found that 20% of all patients using i

Algebra ->  Probability-and-statistics -> SOLUTION: Confused on where to go from here. below is what I have done so far with this problem.. Help Please! B) In testing a new drug, researchers found that 20% of all patients using i      Log On


   



Question 791783: Confused on where to go from here. below is what I have done so far with this problem.. Help Please!
B) In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 25 patients using the drug is selected. Find the mean and standard deviation of patients having a mild side effect.
Mean=µ=np=25(0.20 )=5
Variance=σ ^2=npq=25(0.20)(0.80)= 4
Thanks,
Cass

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Standard deviation is the square root of the variance.

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism