3 years ago

Please answer quickly correctly all question please please please, please please

Mathematics

1 answer:

Gwar [14]3 years ago

7 0

Answer:

x=17

Step-by-step explanation:

What minus 11 is 28, to find this we can subtract 11 from 28

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A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 447.0 gram setting. It

Igoryamba

Answer:

A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 447.0 gram setting.

So, Null hypothesis : $H_0:\mu =447$

It is believed that the machine is under filling the bags

So, Alternate hypothesis : $H_a:\mu$

n = 41

Population standard deviation = $\sigma = 21$

x = 443

We will use z test since n > 30 and we are given the population standard deviation.

Formula : $z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$

$z=\frac{443-447}{\frac{21}{\sqrt{41}}}$

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Use z table to find p value

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