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zhuklara [117]
3 years ago
11

Find the discounted price of each item. prescription glasses: $149 discount: 20%

Mathematics
2 answers:
wlad13 [49]3 years ago
3 0

Answer:

$119.2

Step-by-step explanation:

Katen [24]3 years ago
3 0

Answer:

119.2

Step-by-step explanation:

149 x 0.2 = 29.8

Then 149 - 29.8 = 199.2

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Suppose that the average bill for the drive through of 24 customers at Burger Palace is $14.30. It is known that the population
Mice21 [21]

The standard deviation is a measure of a collection of values' variance or dispersion. The true mean bill for a customer at Burger Palace with 95% confidence is $13.38.

<h3>What is a standard deviation?</h3>

The standard deviation is a measure of a collection of values' variance or dispersion. A low standard deviation implies that the values are close to the set's mean, whereas a high standard deviation shows that the values are spread out over a larger range.

Given that the Sample mean (\overline x) is $14.30, the Sample size(n) is 24 customers, the Standard deviation(σ) is 2.30, while for a 95% confidence interval the Z-score is 1.960. Therefore, the true mean can be written as,

Z = \dfrac{\overline x- \mu}{\frac{\sigma}{\sqrt n}}\\\\\\1.960 = \dfrac{14.30-\mu}{\frac{2.30}{\sqrt{24}}}\\\\\\1.960 = \dfrac{14.3-\mu}{0.47}

μ = 13.3788 ≈ 13.38

Hence,  the true mean bill for a customer at Burger Palace with 95% confidence is $13.38.

Learn more about Standard Deviation:

brainly.com/question/16555520

#SPJ1

5 0
2 years ago
Need this to be done 5 minutes
Naddika [18.5K]

Answer:

ok

Step-by-step explanation:

4 0
3 years ago
At a bus station, buses begin their routes at 6 a.M. The schedule for two of the buses is based on the time intervals listed bel
Marianna [84]

Answer:

The next time both will leave the bus station at the same time is 7:15 a.m.

Step-by-step explanation:

Since 15 and 75 are multiples to each other.

So, L.C.M. of 15 and 75 is 75.

So, after 75 minutes both buses will leave the station at the same time.

Also since buses begin their routes at 6 a.m.

So, next time they will meet at

6 hours 0 minutes + 75 minutes = 7 hours 15 minutes = 7:15 a.m.

7 0
3 years ago
Got half not sure of the rest through​
bezimeni [28]

Answer:

-1/12

Step-by-step explanation:

make the denominators congruent

8/12 and 9/12

then subtract

-1/12

6 0
2 years ago
Please help giving best answer brainiest!!!!!!!!!!!!!!!!!!!!!!
balandron [24]
I would say the 2nd or 3rd one

4 0
3 years ago
Read 2 more answers
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