2 years ago

Subtracting 766 from 941 results in a difference of

Mathematics

2 answers:

SpyIntel [72]2 years ago

7 0

941 - 766 = 175
Therefore, A

weeeeeb [17]2 years ago

7 0

941-766 is 175.

You can also add 175 to 766 to get 941.

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Elan Coil [88]

So the total value of a triangle is 180°

So when u calculate the missing angle its value is 42°

180°-(60°+78°) = 42°

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2 years ago

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3 years ago

For g (2) = 3x – 2 find the value of x<br> -<br> for which g(x) = 10

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For g (2) = 3x -2 find the value of x

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2 years ago

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Lorico [155]

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3 years ago

A trucking firm has a large inventory of spare parts that have been in storage for a long time. It knowsthat some proportion of

Debora [2.8K]

Answer:

$0.1546\leq \widehat{p}\leq 0.3513$

Step-by-step explanation:

The firm tests 75 parts, and finds that 0.25 of them are notusable

n = 75

x = 0.25 \times 75 = 18.75≈19

$\widehat{p}=\frac{x}{n}$

$\widehat{p}=\frac{19}{75}$

$\widehat{p}=0.253$

Confidence level = 95%

So, Z_\alpha at 95% = 1.96

Formula of confidence interval of one sample proportion:

$=\widehat{p}-Z_\alpha \sqrt{\frac{\widehat{p}(1-\widehat{p}}{n}}\leq \widehat{p}\leq \widehat{p}+Z_\alpha \sqrt{\frac{\widehat{p}(1-\widehat{p}}{n}}$

$=0.253-(1.96)\sqrt{\frac{0.253(1-0.253)}{75}}\leq \widehat{p}\leq0.253+(1.96)\sqrt{\frac{0.253(1-0.253}{75}}$

Confidence interval $=0.1546\leq \widehat{p}\leq 0.3513$

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3 years ago