Find the amount and compound interest on Rs. 10,000 for 2 years at 6% per annum compounded annually

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Now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

I’m really confused and need to learn this