Which size box of rice shown in the table has the lowest unit price?
2 answers:
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The triangle is right angled.
The formula for area of the triangle:
base = 3
height = 4
substitute the values:
Answer: 0.4758
Step-by-step explanation:
Given : Mean :
Standard deviation :
Also, the new population of pilots has normally distributed .
The formula to calculate the z-score :-
For x=130 lb .
For x=171lb.
The p-value =
Hence, the required probability : 0.4758