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V125BC [204]
3 years ago
11

what is the converse of the following conditional if a point is in the fourth quadrant then its coordinates are negative

Mathematics
1 answer:
Vsevolod [243]3 years ago
5 0
Your answer  will be 2-2
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An appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W. From pre
Shtirlitz [24]

Answer:

Null Hypothesis, H_0 : \mu \leq 250 W  

Alternate Hypothesis, H_A : \mu > 250 W    

Step-by-step explanation:

We are given that an appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W.

They take a sample of 20 microwave ovens and find that they consume a mean of 257.3 W.

<u><em>Let </em></u>\mu<u><em> = mean power consumption of microwave ovens.</em></u>

So, Null Hypothesis, H_0 : \mu \leq 250 W  

Alternate Hypothesis, H_A : \mu > 250 W    

Here, <u>null hypothesis states tha</u>t the mean power consumption of microwave ovens is no more than 250 W.

On the other hand, <u>alternate hypothesis sates that</u> the mean power consumption of microwave ovens is more than 250 W.

The test statistics that would be used here is <u>One-sample z test statistics</u> as we know about the population standard deviation;

                       T.S. =  \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

Hence, this would be the appropriate hypotheses to determine if the manufacturer's claim appears reasonable.

5 0
3 years ago
Help!<br><br> What is the log of 10^-4.5?
Anarel [89]
The answer would be approximately 1.98
8 0
2 years ago
Read 2 more answers
On a map, 1/4 inch between locations represents an actual distance of 2 miles between the locations. What is the actual distance
Fittoniya [83]

Answer:

12/17 miles

Step-by-step explanation:

Make the denominators equal -> 1/4 = 17/68, 3/34 = 6/68

17/68 inches represent 2 miles

The ratio between 17/68 and 6/68 is 17/68 : 6/68 = 17/6
So, the ratio between the distance should also be 17/6

-> 3/34 inches represent 2 : 17/6 = 12/17 (miles)

Hope it helps :)

3 0
2 years ago
What is the slope of the line represented by the equation y = -1/2x+1/4​
LUCKY_DIMON [66]

Answer: m=-1/2 which is the slope

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Please help me anyone, please
iVinArrow [24]

Answer:

C

Step-by-step explanation:

Chaz is 3 years younger than 4 times the age of his nephew

n is the age of the nephew.

4 times the age of the nephew.

So you now have 4n.

Now you gotta subtract 3 from 4n which gets you to choice C.

4n - 3

7 0
3 years ago
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