2 years ago

-3 - 3n = -24 A) No Solution. B) -15 C) -3 D) 4

Mathematics

2 answers:

VMariaS [17]2 years ago

7 0

Images show what you’ll find:

aniked [119]2 years ago

3 0

Answer:

n=7

The solution is in the picture. Hope you understand

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Step-by-step explanation:

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3 years ago

supervisor records the repair cost for 25 randomly selected dryers. A sample mean of $93.36 and standard deviation of $19.95 are

Simora [160]

<h2><u>Answer with explanation:</u></h2>

The confidence interval for population mean (when population standard deviation is unknown) is given by :-

$\overline{x}-t^*\dfrac{s}{\sqrt{n}}< \mu$

, where n= sample size

$\overline{x}$ = Sample mean

s= sample size

t* = Critical value.

Given : n= 25

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Significance level for 98% confidence interval : $\alpha=1-0.98=0.02$

Using t-distribution table ,

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3 years ago

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Novay_Z [31]

Answer:

Step-by-step explanation:

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3 years ago

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