Question

A batsman has an average of 28.3 runs for 31 innings, 4 times not out. What must he score in his next inning, if he gets out, raising his average to
30?
6!
Finish this test
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Answer 1

Answer:

total runs in 20 matches = 20*45=900

new avg should be 45+6=51

totals runs in 21 matches =21*51=1071

therefore runs in his 21st inning must be 1071-900=171

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Explanation:

Answer 2

Answer:

Concept:

In everyday terms, an average is one number chosen to represent a list of numbers; it is often the sum of the numbers divided by the number of numbers in the list (the arithmetic mean). An average could be another statistic like the median or mode depending on the situation. Because the mean would be falsely high if the personal earnings of a few billionaires were included, we have calculated the number below which is 50% of personal incomes and above which is 50% of personal incomes.

Given:

A batter averages 28.3 runs over 31 innings while going 4 times without being out. If he gets out, boosting his average to 30, what must he score in his next inning? 6!

Find:

find the answer for the given question

Explanation:

The sum of all values divided by the total number of values is the formula used to determine the average of the given numbers.

The average formula has numerous practical uses. If we were asked to determine the average male height in India or the average age of the men and women in a group, we would add up all the data and divide it by the total number of data points.

He played $31$ innings in total at first.

Score on average: $28.3$ runs

Player run total divided by average runs per nine innings $=(28.3*31)$

                                                                                                $=877.3 runs$

Let's imagine that he scored x runs in the following inning to raise his average to $30.6$

His current run total is equal to $(877.3+x)$

Total innings at this time: $31+1=32$

$average=30/6$

$average=\frac{total.runs}{total.innings}$

$30.6=\frac{(877.3+x)}{32}$

$30.6*32=877.3\\979.2=(877.3+x)\\x=979.2-877.3\\x=101.9runs\\x=102runs$

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