A study of coffee consumption in a large city found that the price of a standard cappuccino varied at cafes across the c
Posted: Sun Oct 03, 2021 3:04 pm
A study of coffee consumption in a large city found that the
price of a standard cappuccino varied at cafes across the city
according to a normal distribution with a mean of $4.79 and a
standard deviation of 20 cents per cup. (1 mark)
What is the probability that a randomly selected cafe in the
city charged less than $5.02 per cup? (4dp) Answer
(2 marks) What is the probability that a randomly selected cafe
in the city charged more than $4.74 per cup? (4dp) Answer
(2 marks) What is the probability that a randomly selected cafe
charged between $4.56 and $5.02 per cup? (4dp) Answer
(1 mark) If a cafe’s price was on the 80th percentile, what was
its price per standard cappuccino? (2dp) $ Answer
price of a standard cappuccino varied at cafes across the city
according to a normal distribution with a mean of $4.79 and a
standard deviation of 20 cents per cup. (1 mark)
What is the probability that a randomly selected cafe in the
city charged less than $5.02 per cup? (4dp) Answer
(2 marks) What is the probability that a randomly selected cafe
in the city charged more than $4.74 per cup? (4dp) Answer
(2 marks) What is the probability that a randomly selected cafe
charged between $4.56 and $5.02 per cup? (4dp) Answer
(1 mark) If a cafe’s price was on the 80th percentile, what was
its price per standard cappuccino? (2dp) $ Answer