3 years ago

Simplest form of 6×/15×

Mathematics

1 answer:

docker41 [41]3 years ago

3 0

2/5
I belive that’s the answer

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2 years ago

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2 years ago

uppose germination periods, in days, for grass seed are normally distributed and have a known population standard deviation of 2

natka813 [3]

Answer: 0.701

Step-by-step explanation:

Formula : $EBM =z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$ , where $\alpha=$ significance level , $\sigma =$ Population standard deviation, n= sample size.

As per given, n= 22

$\sigma = 2$

Critical z- value for 90% confidence level : $z_{\alpha/2}=1.645$

Then,

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Hence , error bound (EBM) of the confidence interval with a 90% confidence level= ± 0.701

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