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Normal distribution help

Please help with this question I've done parts one and two but I'm not sure how to do part 3, Ive got a mean of 153 and standard deviation of 18.2tempImageU8oq3Y.jpg
(edited 2 years ago)
Reply 1
If 16 out of 452 are less than 2 hrs, how would you find if this was consistent with the pdf from a and b?
How would you write the additional flight information as a probability which could then be evaluated/compared with the original pdf?
(edited 2 years ago)
I get it now thanks 👍

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