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Leokris [45]
3 years ago
14

Pizza Palace is offering a sale price of $9.99 for a large 1-topping pizza which is normally $10.99.

Mathematics
2 answers:
Mkey [24]3 years ago
7 0

Answer:

<h2>Pizza Party is the best deal.</h2>

Step-by-step explanation:

Pizza Party offers the best deal for Carl, because he wants to by 2 pizzas.

So, Pizza Palace is offering a large 1-topping pizza for $9.99. Both pizzas will cost around $20.

On the other hand, Pizza Party offers a 2x1, one large 1-topping pizza costs 18, and the second one is free. So, two pizzas will cost $18, which is $2 less than Pizza Palace offer.

Therefore, the right answer is Pizza Party.

Nata [24]3 years ago
6 0

Answer:

Pizza Party

Step-by-step explanation:

Your getting two pizzas for $17.00 which is less than versus getting two pizzas for $9.00 and that being $18.00

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3 years ago
PLEASE SOMEONE HELP WITH THESE 2 questions ASAP!! Will give double the points
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The answer is
2)40
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The local oil changing business is very busy on Saturday mornings and is considering expanding. A national study of similar busi
eimsori [14]

Answer:

t=\frac{4.2-3.6}{\frac{1.4}{\sqrt{16}}}=1.714

Reject the null hypothesis if the observed "t" value is less than -2.131 or higher than 2.131  

Rejection Zone: t_{calculated} or t_{calculated}>2.131

In our case since our calculated value is not on the rejection zone we don't have enough evidence to reject the null hypothesis at 5% of significance.

Step-by-step explanation:

Previous concepts  and data given  

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

\bar X=4.2 represent the sample mean  

s=1.4 represent the sample standard deviation  

n=16 represent the sample selected  

\alpha=0.05 significance level  

State the null and alternative hypotheses.    

We need to conduct a hypothesis in order to check if the mean is different from 3.6, the system of hypothesis would be:    

Null hypothesis:\mu = 3.6    

Alternative hypothesis:\mu \neq 3.6    

If we analyze the size for the sample is < 30 and we know the population deviation so is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:    

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)    

t-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".    

Calculate the statistic  

We can replace in formula (1) the info given like this:    

t=\frac{4.2-3.6}{\frac{1.4}{\sqrt{16}}}=1.714

Critical values

On this case since we have a bilateral test we need to critical values. We need to use the t distribution with df=n-1=16-1=15 degrees of freedom. The value for \alpha=0.05 and \alpha/2=0.025 so we need to find on the t distribution with 15 degrees of freedom two values that accumulates 0.025 of the ara on each tail. We can use the following excel codes:

"=T.INV(0.025,15)" "=T.INV(1-0.025,15)"

And we got t_{crit}=\pm 2.131    

So the decision on this case would be:

Reject the null hypothesis if the observed "t" value is less than -2.131 or higher than 2.131  

Rejection Zone: t_{calculated} or t_{calculated}>2.131

Conclusion    

In our case since our calculated value is not on the rejection zone we don't have enough evidence to reject the null hypothesis at 5% of significance.

3 0
3 years ago
I am having trouble with number 2. Please show how the answer was gotten.
Andrews [41]

We know how we got 90, since a right angle is 90 degrees,

180 degrees are in a triangle.

180-90=90

Find the pair that equals 90 so you get 180 degrees!

If you have more questions don’t have hesitation to ask!

Or add all number to get 180 degrees!

4 0
3 years ago
Someone help me with this!
JulijaS [17]

Answer:

63

Step-by-step explanation:

you have to add

8 0
3 years ago
Read 2 more answers
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