371 viewsProbability and Statistics

Q. A student received the following marks in the five of six courses : 91, 86, 81, 79, 92. Average of his in six subjects is 85. How many marks did he receive in the sixth subject ?

  1. 83
  2. 85
  3. 81
  4. 88
Saurabh Singh- Computer Science Expert Answered question May 30, 2023
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