Mathematics: Acarpenter buys $54.38 worth of parts from a supplier. if he pays for the parts with a $100 bill, how much change will he receive? a. $45.62 b. $55.62 c. $56.72 d. $55.72

Acarpenter buys $54.38 worth of parts from a supplier.

Ответ:

Jasten

23.08.2022

Mathematics

Null hypothesis: $\mu_1 = \mu_2 = ..... \mu_j , j =1,2,....,n$

Alternative hypothesis: $\mu_i \neq \mu_j , i,j =1,2,....,n$

The alternative hypothesis for this case is that at least one mean is different from the others.

And the best method for this case is an ANOVA test.

Step-by-step explanation:

For this case we wnat to test if all the mean length of all face-to-face meetings and the mean length of all Zoom meetings are the same. So then the system of hypothesis are:

Null hypothesis: $\mu_1 = \mu_2 = ..... \mu_j , j =1,2,....,n$

Alternative hypothesis: $\mu_i \neq \mu_j , i,j =1,2,....,n$

The alternative hypothesis for this case is that at least one mean is different from the others.

And the best method for this case is an ANOVA test.

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Acarpenter buys $54.38 worth of parts from a supplier. if he pays for the parts with a $100 bill, how much change will he receive? a. $45.62 b. $55.62 c. $56.72 d. $55.72

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