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stellarik [79]
3 years ago
14

A new year begins at 12:00 AM on January 1. What is the date

Mathematics
1 answer:
notka56 [123]3 years ago
4 0

Answer:

Step-by-step explanation:

12,345/60=205.75 hours

l

safe to say 205 hours and 45 minutes

12 AM January 2nd            24 hours

12 AM Jan         3rd             48 hours

......

12 Am Jan         9th             192 h

it is Jan 9th, 1:45 PM    

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A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 434 gram setting. It is
yan [13]

Answer:

No, there is not sufficient evidence to support the claim that the bags are underfilled

Step-by-step explanation:

A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 434 gram setting.

This means that the null hypothesis is:

H_{0}: \mu = 434

It is believed that the machine is underfilling the bags.

This means that the alternate hypothesis is:

H_{a}: \mu < 434

The test statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation and n is the size of the sample.

434 is tested at the null hypothesis:

This means that \mu = 434

A 9 bag sample had a mean of 431 grams with a variance of 144.

This means that X = 431, n = 9, \sigma = \sqrt{144} = 12

Value of the test-statistic:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{431 - 434}{\frac{12}{\sqrt{9}}}

z = -0.75

P-value of the test:

The pvalue of the test is the pvalue of z = -0.75, which is 0.2266

0.2266 > 0.01, which means that there is not sufficient evidence to support the claim that the bags are underfilled.

7 0
3 years ago
FIND A NUMBER WITH SIX FACTORS, ALL OF WHICH ARE ODD NUMBER
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Answer: 99

Step-by-step explanation:

factor of 99: 1, 3, 9, 11, 33, 99

This is 6 factors, and they are all odd number

Hope this helps!! :)

Please let me know if you have any question

6 0
3 years ago
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san4es73 [151]

Answer:

The answer is 32

Step-by-step explanation:

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7 0
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nlexa [21]

Answer: This a non-linear function

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3 years ago
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