Estimated warranty payable of $ 1,300 at the end of 2017. During 2018, Roy Electric made sales of $ 140,000 and expects product
1 answer:
Answer:
$400
Step-by-step explanation:
Given at the end of 2017 estimated warranty payable is $ 1,300
Also given that During 2018, Roy Electric made sales of $ 140,000 and expects product warranties to cost the company 1 percent of the sales
The warranties made in the year 2018 is
Given that the company already paid $2300 warranties so
Total warranties payable are 1300 + 1400 - 2300 = $400
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Answer:
The value of the test statistic is t=1.12.
Step-by-step explanation:
This is a hypothesis test for the difference between populations means.
The claim is that the mean amount of time required to reach a customer service representative significantly differs between the two hotels.
Then, the null and alternative hypothesis are:
The sample 1, of size n1=20 has a mean of 2.65 and a standard deviation of √2.952=1.72.
The sample 2, of size n2=20 has a mean of 2.01 and a standard deviation of √2.952=1.89.
The difference between sample means is Md=0.64.
The estimated standard error of the difference between means is computed using the formula:
Then, we can calculate the t-statistic as:
X intercept = none
y intercept = -1
y intercept = -1