The histogram in Figure 10 shows the time until failure for a sample of 108 computer chips. Over the histogram, draw a smooth curve that captures its general features. Then classify the distribution according to its number of modes and its symmetry or skewness. In words, summarize the meaning of your results.

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Frequency 50 45 40 35 30 25 20 15 10 5 Failure Time of Computer Chips 0 2 4 6 8 Times (months) 10 12 Figure 10 Source: Hand et al., Handbook of Small Data Sets.