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julsineya [31]
3 years ago
14

A random variable X follows the continuous uniform distribution with a lower bound of −4 and an upper bound of 18. a. What is th

e height of the density function f(x)
Mathematics
2 answers:
Triss [41]3 years ago
7 0

Answer:

Height of density function is equal to \dfrac{1}{22}.

Step-by-step explanation:

Given that

Lower bound= -4 and upper bound=18 and we need to find height of density function.

We know that height ofProbability density function given as

Height =\dfrac{1}{Upper\ bound -lower\ bound}

Now by putting the values in the above formula we will get

Height =\dfrac{1}{18 -(-4)}

Height =\dfrac{1}{22}

So height of density function is equal to \dfrac{1}{22}.

shutvik [7]3 years ago
5 0

Answer:

The  height of the density function is \frac{1}{22}

Step-by-step explanation:

Given : A random variable X follows the continuous uniform distribution with a lower bound of −4 and an upper bound of 18.

To find : What is the height of the density function f(x)?

Solution :

According to question,

The height of the density function is given by,

f(X)=\frac{1}{b-a}

Where, a is the lower bound a=-4

b is the upper bound b=18

Substitute the value in the formula,

f(X)=\frac{1}{18-(-4)}

f(X)=\frac{1}{18+4}

f(X)=\frac{1}{22}

Therefore, The  height of the density function is \frac{1}{22}

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Step-by-step explanation:

Take the length and multiply by the width for the area of his backyard.

6 0
3 years ago
The area and the circumference of a circle whit radius 7 feet.
slega [8]

Answer:

Area= 49 ft  

π × 7 2 π × 49

49 π  feet

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14 π  feet

5 0
3 years ago
Dalia bought a few swirl marbles and divided it equally among four of her friends and her brother,Jake. While playing,Jake lost
Veronika [31]

Answer:

45 marbles

Step-by-step explanation:

Using the information provided, we can form the equation x/5 - 2 = 7

Step 1: Add two on both sides of the equation x/5 - 2 = 7

Step 2: Multiply both sides of the equation by 5, to cancel out x. x/5=9

Step 3: Lastly, you get that x=45 marbles

5 0
3 years ago
Two sides of a parallelogram are 93 feet and 80 feet. The measure of the angle between these sides is 18°. Find the area of the
azamat
<h3>Answer:  2299 square feet</h3>

Work Shown:

area = a*b*sin(C)

area = 93*80*sin(18)

area = 2299.086438

area = 2299 square feet

8 0
2 years ago
Sweetums finds that the cost of making a certain candy bar .15 per bar and that the fixed rate is 600 per week if each bar sells
PilotLPTM [1.2K]

We know that:

Profit = Revenue - Cost

Let us say x number of candies are made per week.

Finding Cost per week:

Cost of making 1 bar = 0.15

Cost of making x bars = 0.15x

Fixed rate of making candies per week = 600

Total cost of making x candies per week = 600 + 0.15x

Now let us find Revenue:

Selling price of each bar = 1.50

Selling price of x bars = 1.50x

Now we have to find profit,

Profit = Revenue - Cost

In order to have profit Revenue - Cost >0

So plugging values of revenue and cost to get number of candies,

1.50x-(0.15x+600)>0

1.50x-0.15x-600>0

1.35x-600>0

1.35x>600

x>444.44

Rounding off

x>444

Answer: The company must sell greater than 444 candies in order to make profit.

7 0
3 years ago
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