Problem 3 If the probability density function of random variable is given by ƒ(x) = echx (a)Find the mean (b)Find the total area

Q: If 2 times the reciprocal of a number is subtracted from 3 times the number, the difference is 1.…

A: If two time of reciprocal of a number x is subtracted from 3 times the number the difference is 1…

Q: i am not able to see the answer properly

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: A man spends 1/8 of his salary on rent and 1/6 of his salary on travel and saves 2/7 of the…

A: Given data:- Salary spends on rent = 1/8  Salary spend on travel = 1/6 Saves of the remainder = 2/7

Q: Toni’s table is 96 inches in diameter. If she covers her circular table with a table cloth that…

A: The table cloth will be obviously circular in shape. It's radius will be 6 inches more than the…

Q: Find P(A), given that P(A) 0.493.

A: Given,      P A=0.493

Q: What would happen to the area of a rectangle if the length was doubled and the width was halved?

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Q: Lisa is 21 years older than her daughter Cameia. The Sum of their ages is 61. Find their ages in…

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Q: A ladder that is 24 feet long reaches the window of a building 18 feet above the ground. What is the…

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Q: We are constructing a box from a rectangular piece of cardboard. The piece of cardboard which…

A: As per our guidelines, we can answer only three sub-parts in a single request. Kindly re-post the…

Q: Sara is 6 years older than her brother. In 5 years she wil be twice as old as her brother. What is…

A: suppose sara age=x     her brother age=y x=6+y.........1 in 5 years (X+5)=2(y+5)

Q: Find the radies of Cerve Cervature for the

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Q: A family had a door in ther home with the dimensions of 30 inches wide by 80 inches tall. During a…

A: Find out the new dimensions.

Q: The ratio of 3 nickels to 2 dollars is?

A: 1 dollar=20 nickels So 2 dollar=40 nickels ratio of 3 nickels to 2 dollars is=?

Q: We are constructing a box from a rectangular piece of cardboard. The piece of cardboard which…

A: Note: As per our company guidelines we are supposed to answer the first question only. Kindly ask…

Q: A digital image that is 3 1/3 inches by 4 2/3 inches on a computer screen is enlarged to make print…

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Q: dał +g= 3x?+4 %3D

A: (4) Given differential equation is d2ydx2+y=3x2+4. We have to find the general solution of the given…

Q: Josh live 1 4/5 miles from the park. So far he walked 2/3 of the distance from his house to the…

A: Here we have to find out the how many distance josh walk

Q: Each of Debra's notebooks is 2/5 inches wide. If she has 10 inches of space remaining on her…

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Q: 1/5 of tom's height is equal to 1/3 of jerry's height. If their total height is 320 centimeters,…

A: Given: 1/5 of tom's height is equal to 1/3 of jerry's height. If their total height is 320…

Q: i can't write these answers in fraction form how do i convet them ?

A: Determine equivalent decimal of the fraction.

Q: The two legs of a right triangle are the same length. The hypotenuse is 2 meters long. Find the…

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Q: If P(A) = 0.52, P(B) = 0.45 and P(A u B) = 0.76, then P(B | A) = (Enter a number between 0 and 1,…

A: p(A)=0.52p(B)=0.45p(A∪B)=0.76p(B|A)=?

Q: What size would you see on the box for a new television whose screen measures 40 inches wide by 15…

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Q: Divide: 9 8 (Enter your answer in reduced form) 70 49 ||

A:

Q: In right triangle XYZ, the hypotenuse measures 14 inches and one leg measures 10 inches. Find the…

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Q: Find the length of the missing leg of a right triangle if the hypotenuse measures 51 feet and the…

A: Given problem Given that   Hypotenuse = 51 feet The other leg = 45 feet We have to find the length…

Q: The area of Alaska is approximately 3.66 x 10 acres. The state was purchased in 1867 from Russia for…

A: The total Area Purchased is 3.66×108 for  $7.2 million

Q: A baby dragon is 1 3/4 feet long when it hatches. Its' mother is five times as long. How long is the…

A: Given : Length of Baby Dragon : 1 3/4 feet   = 7/4 ft