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Tcecarenko [31]
3 years ago
14

In order to determine the average price of hotel rooms in Atlanta, a sample of 64 hotels was selected. It was determined that th

e average price of the rooms in the sample was $108.50 with a standard deviation of $16.
a) Formulate the null and alternative hypotheses to determine whether or not the average room price is significantly different from $112.
b) Compute the test statistic.
c) Using the p-value approach, what is your conclusion? Let alpha = .05.
d) Using the critival value approach, what is your conclusion? Let alpha = .05.
e) Write a concluding statement based on your answers above.
Mathematics
1 answer:
kow [346]3 years ago
6 0

Answer:

C

Step-by-step explanation:

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A money collection has $3.00 worth of coins: nickels, dimes, and quarters. The ratio of nickels to dimes to quarters is 3:2:1 Ho
Katyanochek1 [597]
They provide all the needed data...

n + d + q = $3.00                           (they provide a ratio) 
3:2:1 = $3.00                                 (let's enter the value of each)
3(.05) + 2(.10) + 1(.25)   
.15 + .20 + .25
.60 = is the value of the ratio   
let's divide the $3.00 by the .60 to get 5
let's now multiply the value of 5 to the ratio and solve the question...

3(5): 2(5): 1(5)
15 nickels
10 dimes
5 quarters


5 0
3 years ago
Read 2 more answers
In a pair of similar polygons, corresponding angles are congruent.
SashulF [63]
<span>The correct answer would be option C. Similar polygons
Similar polygons are polygons wherein the corresponding angles are congruent and the corresponding sides are proportional with each other. Thus, having a pair of similar polygons would mean that its corresponding angles would always be congruent.</span>
3 0
4 years ago
Read 2 more answers
Find the volume of the sphere. <br> Either enter an exact answer in terms π or use 3.14 for π
Lunna [17]

The equation for volume of a sphere is (4/3)(pi)(r)^3. So you would plug in he radius 9 into the equation. It would simplify to equal (4/3)(pi)(729). It simplifies further to equal (972)(pi)

6 0
4 years ago
Use the graph of f to describe the transformation that results in the graph of g. f(x) = log x; g(x) =
LuckyWell [14K]

Answer:

The function was expanded vertically by 5, and then translated vertically upwards 6 units.

Which is the third option in the list of possible answers.

Step-by-step explanation:

Recall that the types of transformations associated with:

A) a function multiplied by a positive factor larger than one consists on the function expanded vertically by that factor.;

B) a positive number added to the function consists on the vertical translation of the function upwards as many units as the number added.

Therefore, the function f(x) = log(x) being transformed into g(x)=5\,log(x)+6

consists of the initial function expanded vertically by 5, and then translated vertically upwards 6 units.

4 0
3 years ago
The foul lines of a baseball field intersect at home plate to form a right angle. A batter hits a fair ball such that the path o
liraira [26]

Answer:

The angle formed between the first base foul line and the path of the baseball is 63°.

Step-by-step explanation:

This is not a difficult problem. We only need to remember the measure of a right angle, which is 90°. Now, recall that the path baseball divides the right angle in two angles, and we know the measure of one of them.

In the attached figure the black lines are the foul lines of the baseball field, and the blue line is the baseball path. In green is the given angles and colored red is the wanted angle.

So, the sum of the angles α and β is 90° and we know the measure of the angle α: 27°. So,

α + β = 90° .

Then,

β = 90° - α =  90° - 27° = 63°.

5 0
3 years ago
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