Consider a cache memory with a hit ratio of 75%. The cache access time is 20ns. Assume that the cache is replaced with some old cache with the same access time but the average memory access time is...

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Extracted text: Consider a cache memory with a hit ratio of 75%. The cache access time is 20ns. Assume that the cache is replaced with some old cache with the same access time but the average memory access time is increased by 10% from 50ns. Calculate the hit ratio for the cache memory? (up to 2 decimal places)