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Lerok [7]
3 years ago
14

The ages of the winners of a cycling tournament are approximately​ bell-shaped. The mean age is 27.3 ​years, with a standard dev

iation of 3.4 years. The winner in one recent year was 22 years old.
​(a) Transform the age to a​ z-score.
​(b) Interpret the results.
​(c) Determine whether the age is unusual.

Mathematics
1 answer:
tester [92]3 years ago
3 0

Answer:

Convert the age to a z-score:

Step-by-step explanation:

Let X be the random variable with mean 27.2 and standard deviation 3.8.

Here, the observation, x is 24.

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Given the linear programming problem, use the method of corners to determine where the minimum occurs and give the minimum value
algol [13]

Answer:

Minimum value of function C=x+10y is 63 occurs at point (3,6).

Step-by-step explanation:

To minimize :

                                   C=x+10y

Subject to constraints:

                                   x\leq 3---(1)\\y\leq 9---(2)\\x+y\geq 9----(3)\\x\geq 0\\y\geq 0

Eq (1) is in blue in figure attached and region satisfying (1) is on left of blue line

Eq (2) is in green in figure attached and region satisfying (2) is below the green line

Considering x+y\geq 9, corresponding coordinates point to draw line are (0,9) and (9,0).

Eq (3) makes line in orange in figure attached and region satisfying (3) is above the orange line

Feasible region is in triangle ABC with common points A(0,9), B(3,9) and C(3,6)

Now calculate the value of function to be minimized at each of these points.

                                    C=x+10y

at A(0,9)

                                     C=0+10(9)\\C=90

at B(3,9)

                                     C=3+10(9)\\C=93

at C(3,6)

                                     C=3+10(6)\\C=63

Minimum value of function C=x+10y is 63 occurs at point C (3,6).

3 0
3 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
vladimir2022 [97]
0.62
Should be correct
6 0
2 years ago
An 18-wheel truck has a trailer that is 8 feet wide, 8 feet high, and 48 feet long. How much space is inside the trailer?
pochemuha

Answer:

3072 cubic feet

Step-by-step explanation:

the trailer is a rectangular prism. so we use the equation

Volume = length × width × height

V = 8 × 8 × 48

V = 3072 ft^3

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Arte-miy333 [17]
$34.80 because, if you add 15+2+21=58x12.00=696x0.05=34.80
6 0
3 years ago
dawn bought a winter coat at 30% off the original price.the discount on the coat was 21$.what was the original price of the coat
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The answer would be $30
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