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allochka39001 [22]
4 years ago
10

A trade magazine routinely checks the​ drive-through service times of​ fast-food restaurants. Upper A 95​% confidence interval t

hat results from examining 745 customers in one​ fast-food chain's​ drive-through has a lower bound of 177.6 seconds and an upper bound of 181.0 seconds. What does this​ mean?
Mathematics
1 answer:
katen-ka-za [31]4 years ago
8 0

Answer:

-A person can be 95% confident that the mean drive through service time  lies between 177.6 seconds and 181.0 seconds.

Step-by-step explanation:

- Confidence level is the degree of certainty we have on a particular statistic.

-The 95% confidence interval means that we are 95% confident that the mean drive through service time is lies between 177.6 seconds and 181.0 minutes.

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The width of a rectangle is 3.4 feet. The perimeter is 12.6 feet what is the length
lesya692 [45]

Answer:

the answer is 2.90

Step-by-step explanation:

Picture a rectangle, if one side is 3.4 then the other side 3.4. Add those two togerther gives you 6.8. Now you can subtract 6.8 from the perimeter which is 12.6 then that gives you 5.8. Then you split the 5.8 which give you 2.90 which is the length of the rectangle. So if you label all the sides of the rectangle like this 3.4 + 3.4 + 2.90 + 2.90 = 12.6

7 0
3 years ago
Change the followong decimals to percents and order them on the number line from least to gratest useing this numbers 0.02 ' 0.9
olganol [36]

Answer:

2%

15%

25%

90%

Step-by-step explanation:

To turn decimals to percents, you just have to times them by 100 or you can just do the quick way and move the decimal 2 places to the right.

0.02*100 = 2%

0.9*100 = 90%

0.25*100 = 25%

0.15*100 = 15%

Then, you just put them in order:

2%

15%

25%

90%

Please mark me the brainliest!?!

5 0
3 years ago
P( x) =x^3-6x^2-5x-14 What is the remainder R when the polynomial p(x) is divided by (x-7)
Igoryamba

Answer:

The remainder is zero

Step-by-step explanation:

To find the remainder we will use the long division

\frac{x^{3}-6x^{2}-5x-14}{x-7}=x^{2}\frac{x^{2}-5x-14 }{x-7}⇒(1)

\frac{x^{2}-5x-14}{x-7}=x\frac{2x-14}{x-7}⇒(2)

\frac{2x-14}{x-7}=2⇒(3)

From (1) , (2) and (3)

The quotient of the long division is x^{2}+x+2 and no remainder

So the remainder is zero

* If you want to check your answer Multiply the quotient by the divisor

(x^{2}+x+2)(x-7)=x^{3}-6x^{2}-5x-14

8 0
3 years ago
if the intrest of Rs4000 in 5years is RS2400,what is the intrest of RS5000 in 3 years at the same rate of interest?​
DedPeter [7]
1800

2400/5=480
480/4000= 0.12
0.12*5000= 600
600*3= 1800
It was helpful
3 0
3 years ago
Find p+q, given that (q+4)(p+3)-(q+2)(p+1)=44.
Fofino [41]
Q = -p + 17
or
p = -q + 17
Not sure if this is correct

5 0
4 years ago
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