ANSWER:-
a).We have o calculate the P(X>9):-
Where,
X=9
From Z table
Therefore the probability that a randomly selected california orange bag purchased by a customer weights more than 9 pounds is 0.102
b).We have o calculate the :-
From z table
From z table
d). Here, we have to calculate the 12% of the time weights more than a specific weight:-
100%-12%=0.88
Where,
Then we get weight 9.068
NOTE:-
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