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0 
Questions Answered

karli_13:
Group Title
the first outcome is one of X, Y, and Z, and the second outcome in each case is one of A and B.
Pr[X] = [ 4/7]
…
 updated 22 days ago
 4 replies
 1 Medal
Mathematics

freshfaced:
Group Title
solve for x:
X^(squarert(logx))=10^(2root2)
…
 updated 22 days ago
 17 replies
 1 Medal
Mathematics

Loser66:
Group Title
Let S is a subset of [0,1] consist of all infinite decimal expansions x =0.a1a2a3...... where all but finitely many digits are 5 or 6. Find …
 updated 22 days ago
 6 replies
 1 Medal
Mathematics

camilacabelllo:
Group Title
WILL FAND AND MEDAL
The regression equation y = 0.5x + 1.3 approximates the number of hours it takes to arrange a dinner event, y, given…
 updated 22 days ago
 2 replies
 2 Medals
Mathematics

aykayyy:
Group Title
Find an example that meets the given specifications:
…
 updated 21 days ago
 2 replies
 No Medals Yet
Mathematics

israrui08:
Group Title
The joint density for N and X is given by...
 updated 22 days ago
 6 replies
 1 Medal
Mathematics

Loser66:
Group Title
Prove or disprove:
\(sup (A\cup B)\geq sup\{sup(A) , sup (B)\}\)
\(sup (A\cup B)= sup\{sup(A) , sup (B)\}\)
…
 updated 23 days ago
 24 replies
 3 Medals
Mathematics

ashton2750:
Group Title
An anonymous survey of college students was taken to determine behaviors regarding alcohol, cigarettes, and illegal drugs. The results were …
 updated 23 days ago
 3 replies
 No Medals Yet
Mathematics

nia_mae:
Group Title
The following box plot shows the number of grams of carbohydrates in 12ounces espresso beverage offered at Starbucks. What is the probabili…
 updated 23 days ago
 13 replies
 1 Medal
Mathematics

IM5er101:
Group Title
How will adding the value 100 affect the mean and median of the data set 1, 5, 7, 7, 9, 10?
A.
…
 updated 23 days ago
 7 replies
 1 Medal
Mathematics

purplepiggy171:
Group Title
What set of reflections would carry triangle ABC onto itself?
yAxis, x axis, yaxis, x axis
x axis, yx, y axis, x axis
…
 updated 23 days ago
 9 replies
 No Medals Yet
Mathematics

emmadeezy:
Group Title
Solve: b/9 = 2
 updated 23 days ago
 2 replies
 1 Medal
Mathematics

xsorryxnotxlol:
Group Title
jWhat is 76.78 rounded to the nearest whole number?
…
 updated 23 days ago
 1 reply
 No Medals Yet
Mathematics

BulletProof:
Group Title
HELP!
 updated 23 days ago
 8 replies
 No Medals Yet
Mathematics

jerrijones:
Group Title
A sample space consists of five simple events, E1,2,E3,E4,E5
I figured out the first part of the question but the second part is where i'm…
 updated 23 days ago
 2 replies
 1 Medal
Mathematics

JNaruto5796:
Group Title
Find the probabilities associated with the standard normal random variable z
P(z>5)
 updated 24 days ago
 12 replies
 2 Medals
Mathematics

shorty94:
Group Title
if there is a multiple choice test of 9 questions. although only one answer is correct, there are four possible answers. what is the probabi…
 updated 24 days ago
 5 replies
 No Medals Yet
Mathematics

Auxuris:
Group Title
The expansion of (————), where n is a positive integer, has a term that is independent of x.
i) Find the smallest value of n.
…
 updated 26 days ago
 28 replies
 1 Medal
Mathematics

Auxuris:
Group Title
In the expansion of (1+3x)^n, the coefficient of x^3 is 6 times the coefficient of x^2.
Show that nC3 = 2(nC2)
…
 updated 26 days ago
 17 replies
 1 Medal
Mathematics

israrui08:
Group Title
Suppose f(x,y)=[2/n(n+1)]^2 xy, x,y=1,2,...n.(ie. discrete variables. Are x and y independent?
To be independet, fxy=(fx)(fy)
 updated 26 days ago
 9 replies
 1 Medal
Mathematics

JayTag:
Group Title
Let f(x)=1/x. Compute the difference quotient for f(x) at x=5 with h=0.2
Use the Power Rule to compute the derivative:
…
 updated 26 days ago
 23 replies
 1 Medal
Mathematics

asherwm:
Group Title
List all of the subsets of the set A = {3,6,8}.
 updated 26 days ago
 1 reply
 No Medals Yet
Mathematics

antonioblake:
Group Title
Evaluate C(8, 8) help
 updated 26 days ago
 9 replies
 No Medals Yet
Mathematics

JayTag:
Group Title
Please help!
Use the limit definition to compute f′(a) and find an equation of the tangent line.
…
 updated 26 days ago
 16 replies
 1 Medal
Mathematics

bluebrandon:
Group Title
Suppose that components have failure times that are independent and that can be modeled
according to an exponential distribution with an ex…
 updated 26 days ago
 13 replies
 1 Medal
Mathematics

dmarquis14:
Group Title
There are 3 million people in a region. All of them are "blue" except for 25,000 "red" people. If I was to send a postcard to 1,000 people…
 updated 27 days ago
 1 reply
 No Medals Yet
Mathematics

Crazydoll33:
Group Title
Which property states that if a = b and b = c, then a = c?
 updated 27 days ago
 1 reply
 1 Medal
Mathematics

fionacndg:
Group Title
Help! Algebra! Will fan and medal
 updated 27 days ago
 12 replies
 1 Medal
Mathematics

kevindragonlord:
Group Title
Will Medal and fan if answered correctly.
 updated 27 days ago
 9 replies
 No Medals Yet
Mathematics

Kaileyycx:
Group Title
Vertex of y=4x1
 updated 28 days ago
 2 replies
 2 Medals
Mathematics
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