42 balls / 3 balls per package
Equals 14 packages
Answer:
1.6726
Step-by-step explanation:
square each standard deviation, add them then squareroot.
Answer: 42
Step-by-step explanation:
Multiply 4*7 and get 28 then add 42+28 and get 70
Answer:
b
Step-by-step explanation:
Answer:
Step-by-step explanation: