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devlian [24]
3 years ago
14

A cafe is open for six days a week. There was a mean number of 86 customers for five days. On the next day there were 122 custom

ers. What is the mean number of customers over the six days?
Mathematics
1 answer:
ElenaW [278]3 years ago
4 0

Answer:

92

Step-by-step explanation:

The mean is calculated as

mean = \frac{sum}{count}

The sum of customers over the 5 days is

\frac{sum}{5} = 86 ( multiply both sides by 5 )

sum = 430

Thus mean over the 6 days is

mean = \frac{430+122}{6} = \frac{552}{6} = 92

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