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3 years ago

Please give me the correct answer. Thanks.

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

6 0

Answer:

he would have to work 43 hours

Step-by-step explanation:

So if we know that at job one he gets payed 860 dollars a week and in job two he gets payed 20 per hour all we need to do is divide 860 by 20 to find the number of hours in a week and it would be 43

umka2103 [35]3 years ago

5 0

Answer:

43 hours per week

Step-by-step explanation:

Automotive technician has two jobs

Shop A: 860$ per week

Shop B: 20$ per hour

If you want to "match the salary at Shop A", you are basically saying how many hours do I need to work at shop B to earn 860$(salary at Shop A)

860 $ per week/ 20$ per hour = 43 hours per week

You can check the math by multiplying your hour of work * hourly wage.

20$/hour*43hour=860$

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Anastaziya [24]

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Step-by-step explanation:

The formula to find the confidence interval for mean :

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Let x represents the time taken to mail products for all orders received at the office of this company.

As per given , we have

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sample mean : $\overline{x}=65$ hours

Population standard deviation : $\sigma=18$ hours

z-value for 93% confidence interval: $z_c=1.8119$ [using z-value table]

Now, 93% confidence the mean time taken to mail products for all orders received at the office of this company :-

$65\pm (1.8119)\dfrac{18}{\sqrt{62}}\\\\ 65\pm4.142\\\\=(65-4.142,\ 65+4.142)\\\\= (60.858,\ 69.142)$

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