Answer:
63% of students
Step-by-step explanation:
Z = (X - μ) / σ
Z = 520 - 500 / 60
Z = 0.33
ON THE Z-TABLE
0.33 = 0.6293
<em>62.93% = 63% of students answer</em>
Market A
MA) 28/12= 2.33333
MB) 23.75/10= 2.375
MC) 15.75/6=2.625
Market A has the best price per shrimp