The masses of lettuces sold at a market are normally distributed with mean 400 g and standard deviation 75 g. (a) If a single lettuce is chosen at random, find the probability that its mass lies between 530 g and 640 g. Enter a number correct to 4 decimal places: (b) Find the mass (in grams) exceeded by 10 % of the lettuces. Enter a number correct to two decimal places: (c) In one day, 950 lettuces are sold. Estimate how many (of those 950) weigh less than 470 g Entor an intogo

MATLAB: An Introduction with Applications
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The masses of lettuces sold at a market are normally distributed with mean 400 g and standard deviation 75 g.
(a) If a single lettuce is chosen at random, find the probability that its mass lies between 530 g and 640 g.
Enter a number correct to 4 decimal places:
(b) Find the mass (in grams) exceeded by 10 % of the lettuces.
Enter a number correct to two decimal places:
(c) In one day, 950 lettuces are sold. Estimate how many (of those 950) weigh less than 470 g
Enter an integer:
Transcribed Image Text:The masses of lettuces sold at a market are normally distributed with mean 400 g and standard deviation 75 g. (a) If a single lettuce is chosen at random, find the probability that its mass lies between 530 g and 640 g. Enter a number correct to 4 decimal places: (b) Find the mass (in grams) exceeded by 10 % of the lettuces. Enter a number correct to two decimal places: (c) In one day, 950 lettuces are sold. Estimate how many (of those 950) weigh less than 470 g Enter an integer:
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