medium · GMAT Quant
An automated risk monitor tags incoming transactions as Low, Medium, or High risk across 5 monitoring intervals. Guidelines require that High risk cannot immediately follow High risk, and Medium risk cannot immediately follow Medium risk. If High risk is prohibited from being assigned in interval 1
How many distinct 5-interval risk sequences satisfy these conditions?
- 29
- 66
- 70
- 99
- 162
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