The weights of the farm raised salmon sold at Costco are normally distributed with mean 4.5 pounds and standard deviation 0.4 pounds. a) What is the probability that a randomly selected salmon will weigh more than 5.0 pounds? b) Between what two weights will 90% of Costco salmon lie? c) What weight corresponded to the 96th percentile of the weights of Costco salmon?

A First Course in Probability (10th Edition)
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Hello! To solve this problem I have to use this link(normal prob. calculator), but I am confused with where I should put each value. 

https://stattrek.com/online-calculator/normal

The weights of the farm raised salmon sold at Costco are normally distributed with mean 4.5
pounds and standard deviation 0.4 pounds.
a) What is the probability that a randomly selected salmon will weigh more than 5.0 pounds?
b) Between what two weights will 90% of Costco salmon lie?
c) What weight corresponded to the 96th percentile of the weights of Costco salmon?

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