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A batsman has a mean of 42 runs over 6 innings.
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
A batsman has a mean of runs over innings. How many runs must he score in the 7th innings to raise his mean to runs?
Need a reminder? The key ideaShow
The mean is the total divided by how many values there are. Total = mean count.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Step 1. Runs so far. runs.
Step 2. Runs needed. runs.
Step 3. The 7th innings. runs.
Check. .
Answer: runs.
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