Question

Altogether i have ten bags of sweets.
the mean number of sweets in a bag is 42
the table shows the number of sweets there are in 9 bags

Number of sweets in a bag frequency
39 1
40 2
41 5
42 0
43 1
How many sweets are in the 10th bag

Answer 1

Altogether i have ten bags of sweets.

the mean number of sweets in a bag is 42

the table shows the number of sweets there are in 9 bags

Number of sweets in a bag frequency

39 1

40 2

41 5

42 0

43 1

How many sweets are in the 10th bag

Step-by-step explanation:

the average  number of sweets per bag is 41, therefore the total for all  the 10 bags will be equal to 410. total for 9 bags shown is 368, 10th bag = total for 10 bags minus total for 9 bags =42

Working:

3*39 + 40*2 + 41 + 42 + 2*44 = 368

410 - 368 = 42

Answer 2

Step-by-step explanation:

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