The total daily sales, S, in the deli section of a supermarket is the sum of the purchases made by customers on a given day. (a)
What kind of probability distribution do you expect the total daily sales to have? Explain. (b) For this particular market, the average sale per customer in the deli section is $8.50 with sigma=$2.50. If 30 customers make deli purchases on a given day, give the mean and standard deviation of the probability distribution of the total daily sales, x.
1 answer:
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Answer:
1.5
Step-by-step explanation:
Note there is a common ratio between consecutive terms, that is
768 ÷ 1536 = 0.5
384 ÷ 768 = 0.5
192 ÷ 384 = 0.5
96 ÷ 192 = 0.5
This indicates that the terms form a geometric sequence with
= a
where a is the first term and r the common ratio
Here a = 1536 and r = 0.5, thus
= 1536 ×
= 1.5