4 years ago

Someone please help me with the image below I need major help

Mathematics

1 answer:

Alina [70]4 years ago

3 0

The answer is : -21 i hope it helps :D

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Step-by-step explanation:

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3m(4+x)

12m+3mx

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and its gcf because inside () has no common factors

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71 remainder 80

Step-by-step explanation:

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An airline promotion to business travelers is based on the assumption that two-thirds of business travelers use a laptop compute

skad [1K]

Answer:

The null hypothesis is $H_o : p = 0.67$

The alternative hypothesis is $H_a : p \ne 0.67$

The sample proportion is $\^ p = 0.65$

Step-by-step explanation:

From the question we are told that

The sample size is n = 546

The number of people that use a laptop overnight is $k = 355$

The population proportion is $p = \frac{2}{3} = 0.67$

Generally

The null hypothesis is $H_o : p = 0.67$

The alternative hypothesis is $H_a : p \ne 0.67$

Gnerally the sample proportion is mathematically represented as

$\^ p = \frac{ k}{n}$

=> $\^ p = \frac{ 355}{546}$

=> $\^ p = 0.65$

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3 years ago