The average Pag-ibig salary loan for TIC Pharmacy, Inc. employees is ₱13,000. If the debt is normally distributed with a standard deviation of ₱3,500, find the probability that the employee owes less than ₱16,500.
Solution:
Step 1: Draw a figure and represent the area
Step 2: Find the z value.
Step 3: Find the appropriate area
Solution:
"\u03bc=13000\n\\\\\u03c3=3500\n\\\\P(X<16500)=P(Z< \n\\dfrac{16500\u221213000}{3500}\n\u200b\n )\n\\\\=P(Z<1)\n\\\\=0.8413"
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