An industrial engineer collected data on the frequency and severity of accidents in the mining industry and summarized her findings as follows: Severity of Days of Week Total Monday & Tuesday &...

An industrial engineer collected data on the frequency and severity of accidents in the mining industry and summarized her findings as follows:

a) Can you conclude at the 5% level of significance that the severity of accidents is independent of the day of the week?

b) What is the lowest level of significance at which you could conclude that the frequency ofsevereaccidents depends upon the day of the week?