Answer:
ans: 111.54
Step-by-step explanation:
u can simple do by multiple
10 different ways the awards can be rewarded.
Answer:
x=6
Step-by-step explanation:
i used an app called math-way hope this helps.
Answer:
Step-by-step explanation:
First, find the mean ; (32+45+33+22+50+48) / 6 = 230/6
Mean = 38.33
Variance =
n = sample size
Variance = 
Variance = 
= 
= 121.8667
Therefore, variance = 121.87