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Frequently Asked Questions
Clear, precise answers to common mathematical, financial, and physiological calculations, marked up with standard structural schemas for rich Google Search indexing.
Q How is Body Mass Index (BMI) calculated?
Body Mass Index (BMI) is calculated by dividing an individual's weight in kilograms by their height in meters squared (BMI = kg/m²). For imperial units, divide weight in pounds by height in inches squared and multiply the result by a conversion factor of 703 (BMI = [lbs/in²] * 703).
Q What is the standard formula for compound interest?
The compound interest formula is A = P(1 + r/n)^(nt), where A represents the final accrued amount, P is the principal balance, r is the annual interest rate, n is the number of times interest compounds per year, and t is the time duration in years.
Q How do you calculate a percentage increase?
To calculate a percentage increase, subtract the original value from the new value, divide that difference by the absolute original value, and multiply the final result by 100: Percentage Increase = ((New Value - Original Value) / Original Value) * 100.
Q What is the difference between independent and dependent events in probability?
Independent events are events where the occurrence of one does not affect the probability of the other occurring (P(A ∩ B) = P(A) * P(B)). Dependent events are events where the occurrence of the first alters the probability of the second occurring, calculated using conditional probability (P(A ∩ B) = P(A) * P(B|A)).