Find the probability that in a particular week the electricity consumption is less than 685 k Wh:
Probability = ?(to 2 decimal places)
Find the probability that in a particular week the electricity consumption is greater than 830 k Wh:
Probability = ?(to 2 decimal places)
Find the probability that in a particular week the electricity consumption is between 685k Wh and 830 k Wh:
Probability = ?(to 2 decimal places)