The amount of milk sold each day by a grocery store varies according to the Normal distribution with mean 126 gallons an
Posted: Mon Nov 15, 2021 10:16 am
The amount of milk sold each day by a grocery store varies according to the Normal distribution with mean 126 gallons and standard deviation 11 gallons.
a) on a randomly-selected day, what is the probability that the grocery store sells at least 138 gallons? Round your answer to 3 decimal places.
b) over a span of 7 days (assuming the randomness requirement is not violated), what is the probability that the grocery store sells an average of at least 138 gallons? Round your answer to 4 decimal places, if needed.
a) on a randomly-selected day, what is the probability that the grocery store sells at least 138 gallons? Round your answer to 3 decimal places.
b) over a span of 7 days (assuming the randomness requirement is not violated), what is the probability that the grocery store sells an average of at least 138 gallons? Round your answer to 4 decimal places, if needed.