C. Ask every 12th person who leaves school one afternoon. Roll dice to determine which person to ask first.
The Empirical Rule affirm:
99.7 % random variable values are between
±
three standard deviation.
95 % random variable values are between
±
two standard deviation.
68 % random variable values are between
±
one standard deviation. There you go!
65-39=26 so 26 employess dont have cellular phones. So 26/65 or in simplified form 2/5
Answer: is it 0.258
Step-by-step explanation: