Direction: For each of the following, shade the normal curve, solve the z-score, find the percentage, and find the number of families. Show your solution and use the normal distribution table below. Write it on your paper. The average monthly income of 250 families in a certain barangay is P10,500 with a standard deviation is P1200. Assuming that the family incomes are normally distributed, find the number of families who earn A. Between P8,300 and B. Less than P13,400 C. More than P1 1,000 P12,000 per month 11-14. Shade the normal 21-24. Shade the normal 1-4. Shade the normal curve curve curve 5-7 Solve the z-score 15-17 Solve the z-score 25-27 Solve the z-score X - X x - X x - X Z = Z = Z = S S S 8-10. Find the percentage 18-20. Find the percentage 28-30. Find the percentage and find the number of and find the number of and find the number of families. families. families.