He can cut 5 squares, by making 1 4 × 4, 2 3 × 3 and 2 2 × 2 squares.
Set up a proportion; the percentage is always over a 100. then, cross multiply.
90 180
? 100
Answer:
0.04
Step-by-step explanation:
X~N(μ=14.2; σ=0.9), a=7



P(X>7)=1-0.96=0.04
You can do one year divided by the number.