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Let 𝑋 be a random variable with density𝑓(𝑥)={𝐶(4𝑥−𝑥^2) , 0≤𝑥≤3 0 , otherwise where 𝐶∈𝐑 is
1. 1 answer
2. 102 views
Let 𝑋 be a random variable with density𝑓(𝑥)={𝐶(4𝑥−𝑥^2) , 0≤𝑥≤3 0 , otherwise where 𝐶∈𝐑 is
1. 1 answer
2. 125 views
What is the probability that in 10 casts of a fair die we get number six more than once? SHOW WORK
1. 1 answer
2. 111 views
What is the probability that in 10 casts of a fair die we get number six more than once?
1. 1 answer
2. 87 views
A blood test indicates the presence of a particular disease 97% of the time when the disease is actually present. The same test
1. 1 answer
2. 149 views
In the game of poker, five cards are dealt. Recall the regular deck of cards has 13 denominations and 4 suits. What is the
1. 1 answer
2. 123 views
Suppose we apply gradient ascent algorithm to find a local maximum of the function f(x,y) = 3x cos^3 *y + 1/x. If we start from
1. 2 answers
2. 96 views
Suppose you cast and keep casting a die until you get either number 5 or 6? What is the probability that you will stop after
1. 2 answers
2. 105 views
Suppose you cast and keep casting a die until you get either number 5 or 6? What is the probability that you will stop after
1. 0 answers
2. 112 views
Suppose you cast and keep casting a die until you get either number 5 or 6? What is the probability that you will stop after
1. 2 answers
2. 104 views
An urn contains 5 blue and 8 red balls. We choose 6 balls at random. What is the probability that 4 of the 6 balls will be blue?
1. 1 answer
2. 112 views
In a poker game, you get 5 cards from a regular deck of 52 cards.What is the probability that you get full house (i.e. three of
1. 2 answers
2. 123 views
A vacuum cleaner company has three machines, each making electric cords.Machine 1 is the oldest and of all units it produces
1. 2 answers
2. 177 views
vacuum cleaner company has three machines, each making electric cords.Machine 1 is the oldest and of all units it produces 1.2%
1. 2 answers
2. 176 views
vacuum cleaner company has three machines, each making electric cords.Machine 1 is the oldest and of all units it produces 1.2%
1. 2 answers
2. 172 views
A vacuum cleaner company has three machines, each making electric cords.Machine 1 is the oldest and of all units it produces
1. 1 answer
2. 171 views
A vacuum cleaner company has three machines, each making electric cords.Machine 1 is the oldest and of all units it produces
1. 1 answer
2. 124 views
A contractor is planning a construction project to be completed in three stages. The contractor figures that 1. the chance that
1. 1 answer
2. 216 views
there are 20 elks. Of the 20, 5 elks are tagged and released. Later, 4 of these elks are randomly captured. What is the
1. 2 answers
2. 87 views
Twenty five elks live in a certain area of which 6 were tagged and released. A certain time later, 5 elks were randomly caught.
1. 1 answer
2. 179 views
Five cards are dealt from a regular deck of 52 cards. What is the probability of getting a full house: three cards of one kind
1. 1 answer
2. 110 views
Five cards are dealt from a regular deck of 52 cards. What is the probability of getting a full house: three cards of one kind
1. 1 answer
2. 137 views
Twenty five elks live in a certain area of which 6 were tagged and released. A certain time later, 5 elks were randomly caught.
1. 1 answer
2. 210 views
let f(x,y) = (3x^3)(y) - (4x^2) (sqrt(y)) and let γ(t) = <x(t),y(t)> be a curve in the Oxy plane such that at some point t0, we
1. 1 answer
2. 97 views
let f(x,y) = 3x^3(y) - 4x^2 (sqrt(y)) and let γ(t) = <x(t),y(t)> be a curve in the Oxy plane such that at some point t0, we
1. 1 answer
2. 115 views
let f(x,y) = 3x^3(y) - 4x^2 (sqrt(y)) and let γ(t) = <x(t),y(t)> be a curve in the Oxy plane such that at some point t0, we
1. 1 answer
2. 104 views
let f(x,y) = 4x^2 - 6x^2 (sqrt(y)) and let γ(t) = <x(t),y(t)> be a curve in the Oxy plane such that at some point t0, we have
1. 1 answer
2. 92 views
let f(x,y) = 4x^2 - 6x^2 (sqrt(y)) and let γ(t) = <x(t),y(t)> be a curve in the Oxy plane such that at some point t0, we have
1. 1 answer
2. 104 views
for each k in R find the limit(x,y)-->(0,0) [((x^4)(y^3))/(x^10 + y^5)] along the path y=kx^2
1. 1 answer
2. 88 views
if marty draws 2 cards from a 52 card deck what is the probability of the two cards both being aces?
1. 1 answer
2. 83 views
for each k in R find the limit(x,y)-->(0,0) ((x^4)(y^3))/(x^10 + y^5) along the path y=kx^2 what value does it not exist? what
1. 1 answer
2. 97 views
for each k in R find the limit(x,y)-->(0,0) ((x^4)(y^3))/(x^10 + y^5) along the path y=kx^2
1. 1 answer
2. 101 views
Suppose a 3x3 real matrix A has only two (real) distinct eigenvalues. Suppose that trace(A) = 1 and det(A) = -45 . Find the
1. 1 answer
2. 142 views
Suppose that the trace of a 2x2 matrix A =4 , and the determinant is 3. Find the eigenvalues of Asmaller eigenvalue = larger
1. 1 answer
2. 136 views
A man invests his savings in two accounts, one paying 6% and the other paying 10% simple interest per year. He puts twice as
1. 1 answer
2. 157 views
Find the area of the region that lies inside the first curve and outside the second curve.r = 14 cos 𝜃, r = 7
1. 1 answer
2. 510 views
Find a power series representation for the function.f(x) = ln(7 − x)
1. 2 answers
2. 235 views
Speedometer readings for a motorcycle at 12-seconds intervals are given in the table.t (sec) 0 12 24 36 48 60 v (ft/sec) 22 26
1. 1 answer
2. 328 views
Estimate the area under the graph of f(x) = 16 - x^2 from x=0 to x=4 using 4 approximating rectangles.I got the right sum = 34
1. 1 answer
2. 292 views
Given that the graph of f(x) passes through the point (6,7) and that the slope of its tangent line at (x,f(x)) is 3x+2, what is
1. 1 answer
2. 219 views
Consider the integral:21 ∫ x^3 dx 3 -Use Left Sum, Right Sum, Midvalue Sum, and Trapezoid Rule methods to approximate this
1. 2 answers
2. 249 views
Consider the integral:21 ∫ x^3 dx 3 -Use all three methods to approximate this integral with n = 3 -Find the exact value of
1. 2 answers
2. 411 views
The number, N, of people who have heard a rumor spread by mass media at time, t, is given by N(t)=a(1−e^(−kt)).There are
1. 1 answer
2. 501 views
find∫ (3^x - 5)(4^x + 7) dx
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2. 207 views
A boat leaves a dock at 2:00 PM and travels due south at a speed of 30 km/h. Another boat has been heading due east at 25 km/h
1. 1 answer
2. 443 views
Helium is pumped into a spherical balloon at a rate of 4 cubic feet per second. How fast is the radius increasing after 2
1. 1 answer
2. 855 views

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