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
Photo? i cannot answer without a photo:)
Answer:
Can u show an image
Step-by-step explanation:
56:7=24:3
3x3=27:3
8x2=64:4
45:9=35:7
4x5=10x2
42:6=63:9
28:4=7x1
2x2=36:9
51*11=561 615-561=54 54/6=9
They sold 9 discounted pizzas.