From historical records, a personnel manager of a plant has determined the distribution below for random variableX, the number of employees absent on a randomly chosen work day.
A) What is the probabilitythat two or fewer employees are absent?
B) What is the expected number of employees absent?
C) What is the varianceof the number absent?
D) What is the standard deviation?
E) What is the probability the observed number of absent employees is within 1 standard deviationof the expected value?
F) What is the probability the observed number of absent employees is within 2 standard deviations of the expected value?
Please see the attached file.
The employees absent on a chosen work day is analyzed.