Can you help me with this

Mathematics

2 answers:

olga2289 [7]2 years ago

7 0

<span>Find the area of two sides (Length*Height)*2 sides. 12m x 9m
Find the area of adjacent sides (Width*Height)*2 sides. 5m x 9m
Find the area of ends (Length*Width)*2 ends. 12m x 5m
Add the three areas together to find the surface area. </span>

Ivahew [28]2 years ago

3 0

The answer is a, 426m^2. the formula to get this is 2(lw+lh+wh) so you input the numbers- 2(12x5 + 12x9 + 5x9)

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Answer:

$H_{0}: \mu \leq 600\text{ dollars}\\H_A: \mu > 600\text{ dollars}$

Step-by-step explanation:

We are given the following in the question:

Manager's claim: The mean guest bill for a weekend is $600 or less.

A member of the hotel’s accounting staff noticed that the total charges for guest bills have been increasing in recent months.

A sample of weekend guest bills were collected to test the manager’s claim.

We design the null and alternate hypothesis in the following manner:

$H_{0}: \mu \leq 600\text{ dollars}\\H_A: \mu > 600\text{ dollars}$

Conclusion when null hypothesis cannot be rejected:

When we fail to reject the null hypothesis and accept the null hypothesis, thus, we have enough evidence to support the manager's claim that the mean guest bill for a weekend is $600 or less.

Conclusion when null hypothesis can be rejected:

When the null hypothesis is rejected, we accept the alternate hypothesis.

Thus, there are not sufficient evidence to support the manager's claim that the mean guest bill for a weekend is $600 or less.

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