3 years ago

Would the answer be 550.25?

Mathematics

1 answer:

Sphinxa [80]3 years ago

6 0

Answer:

Step-by-step explanation:

she set aside $44 for vacation

pls brainliest btw

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Step-by-step explanation:

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3 years ago

alex runs on the track at the school each weekday morning if he runs 5.9 miles each day about how much does he run every month

vovangra [49]

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3 years ago

what is 79% of 800? that's all the questions but I can ask it cuz apparently it's to shirt but what is 79% of 800?

ahrayia [7]

Answer:

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Step-by-step explanation:

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2 years ago

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In one hour Dele walks 8km. how long will it take her to walk 14km at the same rate

erastovalidia [21]

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3 years ago

(a) Find a 90% confidence interval for the population mean price (per 100 pounds) that farmers in this region get for their wate

Anon25 [30]

Answer:

The margin of error (E) $=0.49$

Step-by-step explanation:

Given,

mean $\bar{x}=6.88$

standard deviation $\sigma=1.90$

sample size $n=41$

$90\% \quad \text{confidence interval}$

Critical value $=\frac{z_\alpha}{2}\quad \quad\quad[\because\;\alpha=1-\text{confidence interval}]$

$=1-0.90$

$\Rightarrow \alpha=0.1$

Critical value $=\frac{z_{0.1}}{2}$

$=z_{0.05}$

$=1.645$

The margin of error (E) $=\frac{z_\alpha}{2} \times\frac{\sigma}{\sqrt{n} }$

$=1.645\times\frac{1.90}{\sqrt{41} }$

$=0.49$

Hence, The margin of error (E) $=0.49$

Complete question is attached in below.

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3 years ago