65 % is bigger than 16/25
You write 10+4+.05.
this is because you add each value separately <span />
•First you multiply parentheses by 3 24+3n-15=24
•then u cancel equal terms 3n-15=0
•Move the constant to the right
3n-15=0
3n=15
•Divide both sides by 3
Answer is n=5 ☺️
The mean of the probability distribution is given by the expected value given by
The variance of the probability distribution is given by
The standard deviation is given by