Answer: The total number of sweets in the 10th bag is 53 and this can be determined by using the formula of the mean.
Given :
The total number of bags is 10.
The mean number of sweets in the bags is 42.
The table shows how many sweets there are in 9 of the bags.
The following steps can be used in order to determine the total number of sweets in the 10th bag:
Step 1 - The formula of the mean can be used in order to determine the total number of sweets in the 10th bag.
Step 2 - The formula of mean is given below:
Step 3 - Now, substitute the values of the known terms from the given table in the above expression.
Step 4 - Simplify the above expression.
So, the total number of sweets in the 10th bag is 53.
Explanation: