I don’t understand the wordingFrom what it looks like I’m pretty sure it’s 6
The z-score is given by:
z=(x-μ)/σ
but
x-μ=52
thus
z=52/√84681
z=0.1787
Thus:
P(X≤52)=0.9633
8 - (2/x)
hope this helped
I hope this helps, If there are 5 cups of flour, then there will be 7 and 1/2 cups of sugar:)