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aliina [53]
3 years ago
15

A random sample of 30 lunch orders at noodles and company showed a mean bill of $10.36 with a standard deviation of $5.31. find

the 95 percent confidence interval for the mean bill of all lunch orders.
Business
1 answer:
Paladinen [302]3 years ago
4 0

The formula for calculating the Confidence Interval is as follows:

Confidence Interval = x +- (z*s)/√N

Where:

x = mean = 10.36

z = taken from standard normal distribution table based on 95% confidence level = 1.96

s = standard deviation = 5.31

N = sample size = 30

Substituting know values on the equation:

Confidence Interval = 10.36 +- ( 1.96 * 5.31) / √30

Confidence Interval = 8.46 and 12.26

Hence the bill of lunch orders ranges from 8.46 to 12.26.

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Some of the transactions of Torres Company during August are listed below. Torres uses the periodic inventory method.
Nadya [2.5K]

Answer:

Purchase  12000 debit

Accounts Payable  12000 credit

--to record purchase--    

Accounts Payable   1200 debit

Returns&Allowance       1200 credit

--to record returned goods--

Purchase  16000 debit

Accounts Payable  16000 credit

--to record purchase--    

Purchase          20000 debit

Accounts Payable  20000 credit

--to record purchase--  

Account Payable    16,000 debit

     Purchase Discount      160 credit

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-to record payment within--

SECOND METHOD:

Purchase  11,760 debit

Accounts Payable  11,760 credit

--to record purchase--    

Accounts Payable   1,176 debit

Returns&Allowance       1,176 credit

--to record returned goods--

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Accounts Payable  15,840 credit

--to record purchase--    

Purchase          19,600 debit

Accounts Payable  19,600 credit

--to record purchase--  

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     Cash                        15,840 credit

-to record payment within--

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  account payable         216 credit

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Explanation:

As we use periodic system we calculate the inventory and COGS at the end of the period so we use purchase and returns accounts rather than adjusting inventories in every transactions.

In the second method we use itnerest expense when the discount is loss.

<u><em>interest incurred for the period:</em></u>

(12,000 - 1,200) x 2% = 216

The secodn purchase at the end of the monthcan be paid within discount period therefore, we do not recognize interest expense yet.

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