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murzikaleks [220]
3 years ago
5

8. You are a computer technician for Data Control. You earn a regular hourly

Mathematics
1 answer:
Law Incorporation [45]3 years ago
8 0

Answer:

Total pay for the week is $924.

Step-by-step explanation:

The per hour rate of weekdays from Monday to Friday =  $15.40

The rate for Saturday = One and Half ( $15.40)

Now,  1\frac{1}{2}  \times (15.40)  = \frac{3}{2} (15.40) = 23.1

So, the per hourly rate for work on Saturday  = $23.1

The rate for Sunday  = 2 x ( $15.40)  = $30.80

So, the per hourly rate for work on Sunday  = $30.80

Now, total hours worked in weekday = 38

So, the rate of 38 hours = 38 x ( Per hour rate) = 38 x ($15.40)  

                                        = $585.2

Now, total hours worked on Saturday  = 8

So, the rate of 8 hours = 8 x ( Per hour rate) = 8 x ($23.1)    = $184.8

Now, total hours worked on Sunday  = 5

So, the rate of 5 hours = 5 x ( Per hour rate) = 5 x ($30.80)    = $154

Hence the total pay = Payment of ( weekday  + Saturday +Sunday)

= $585.2 +  $184.8 +  $154  =  $924

Hence, total pay for the week is $924.

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Answer:

n=(\frac{2.33(1400)}{400})^2 =66.50 \approx 67

So the answer for this case would be n=67 rounded up

Step-by-step explanation:

Information given

\bar X represent the sample mean for the sample  

\mu population mean

\sigma=1400 represent the sample standard deviation

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Solution to the problem

The margin of error is given by this formula:

ME=z_{\alpha/2}\frac{\sigma}{\sqrt{n}}    (a)

And on this case we have that ME =400 and we are interested in order to find the value of n, if we solve n from equation (a) we got:

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The critical value for 98% of confidence interval now can be founded using the normal distribution. And the critical value would be z_{\alpha/2}=2.33, replacing into formula (b) we got:

n=(\frac{2.33(1400)}{400})^2 =66.50 \approx 67

So the answer for this case would be n=67 rounded up

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3 years ago
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