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0 
Questions Answered

pty507:
Group Title
85% of suspects tried for terrorism actually are guilty. (Don’t worry about how we know this, just take
it as a fact for the sake of this p…
 updated 2 days ago
 1 reply
 1 Medal
Mathematics

EtherealEbullience:
Group Title
In matrix form, write the coordinates of each image of the triangle with vertices A(3,1) B(2,0), and C(1,5).
27.A translation 3 units l…
 updated 2 days ago
 8 replies
 1 Medal
Mathematics

melbell12:
Group Title
The SAT scores of entering freshman at University X have a N(1200, 90) distribution.
 updated 3 days ago
 1 reply
 No Medals Yet
Mathematics

neoc:
Group Title
Need some help with Stat question
 updated 2 days ago
 6 replies
 3 Medals
Mathematics

love_to_love_you:
Group Title
Please help! Will fan and medal.
Find the variables. Show work.
 updated 3 days ago
 25 replies
 2 Medals
Mathematics

amyyy:
Group Title
Suppose that the average number of people log in to a particular web site is 5 per minute.
What are the mean and variance of the distribu…
 updated 6 days ago
 2 replies
 1 Medal
Mathematics

kreimer20:
Group Title
Determine if the series converge or diverge. If they converge, what value do they converge to?
Sum of {((1)^n *2^(3n6))/5^(2n+1)} with t…
 updated 6 days ago
 10 replies
 2 Medals
Mathematics

ikram002p:
Group Title
deriving a formula , finding \(\beta_0 , \beta_1\) .
for population model …
 updated 6 days ago
 12 replies
 2 Medals
Mathematics

DarkBlueChocobo:
Group Title
explain the relationship between air resistance and gravitational acceleration on a falling object
 updated 7 days ago
 4 replies
 1 Medal
Mathematics

KendrickLamar2014:
Group Title
After defining the scope of the system, the next step is to
A. Plan the project …
 updated 7 days ago
 8 replies
 No Medals Yet
Mathematics

helpthegirll:
Group Title
What is the solution to the system of equations represented by the two equations?
y= 3/2x
…
 updated 7 days ago
 6 replies
 1 Medal
Mathematics

acomer3:
Group Title
find all of the first derivatives of f(x,y,z) =xsin(yz)
 updated 8 days ago
 4 replies
 4 Medals
Mathematics

huntervike:
Group Title
d/dx sin^2(2x^4)
 updated 8 days ago
 2 replies
 No Medals Yet
Mathematics

pty507:
Group Title
For the Experiment, flip a coin until heads shows, assume that the probability of heads on one flip is 3/5 we define a RV X= the number of f…
 updated 4 days ago
 3 replies
 2 Medals
Mathematics

Andresfon12:
Group Title
For the Experiment, flip a coin until heads shows, assume that the probability of heads on one flip is 3/5 we define a RV X= the number of f…
 updated 8 days ago
 4 replies
 1 Medal
Mathematics

dc104:
Group Title
OLS estimator derivation with constant
 updated 8 days ago
 26 replies
 1 Medal
Mathematics

ToxicInsanity:
Group Title
For which operations is the set {0, 1} closed?
Choose all answers that are correct.
…
 updated 8 days ago
 2 replies
 1 Medal
Mathematics

gerryliyana:
Group Title
Prove: If A is an nxn matrix then det[adj(A)] = [det(A)]^(n1)
 updated 8 days ago
 6 replies
 2 Medals
Mathematics

josssss:
Group Title
is the set of whole numbers a group under divison
 updated 8 days ago
 2 replies
 No Medals Yet
Mathematics

KendrickLamar2014:
Group Title
When Mendeleev organized elements in his periodic table in order of increasing mass, elements with similar properties were in the same _____…
 updated 8 days ago
 2 replies
 1 Medal
Mathematics

Loser66:
Group Title
Suppose that 2000 points are selected randomly and independently from the unit square {(x,y) 0<=x<1, 0<=y<1}
Let W equal number of points …
 updated 9 days ago
 9 replies
 2 Medals
Mathematics

Loser66:
Group Title
An urn contains 7 red and 11white balls. Draw one ball at random from the urn. Let X=1 if a red ball drawn, and let X =1 if a white ball is…
 updated 9 days ago
 12 replies
 No Medals Yet
Mathematics

alexeis_nicole:
Group Title
a test consists of 10 multiple choice questions each with five possible answers, one of which is correct. to pass the test a student must ge…
 updated 9 days ago
 1 reply
 2 Medals
Mathematics

lilhaff:
Group Title
In one region. the Sep. energy consumption levels for a singlefamily are to be normally distributed with a mean of 1,050 kWh and standard d…
 updated 9 days ago
 1 reply
 No Medals Yet
Mathematics

Christina25123:
Group Title
Over the first five years of owning her car, Gina drove about 12,700 miles the first year, 15,478 miles the second year, 12,765 the third ye…
 updated 8 days ago
 9 replies
 No Medals Yet
Mathematics

Stephanie1000000:
Group Title
Suppose a normal distribution has mean 10 and standard deviation 2. Find the Zscores of the measurements 9, 10, 11, 14, and 17.
 updated 4 days ago
 6 replies
 No Medals Yet
Mathematics

adikcomel:
Group Title
10 players are shooting at a target. Each player shoots twice and has a similar probability p of hitting the target. Assume that the differe…
 updated 11 days ago
 6 replies
 1 Medal
Mathematics

LavenderLynn:
Group Title
Find the Variance of a Discrete Random Variable
For the # of H when we flip a coin twice in a discrete distribution:
Data (respectively)…
 updated 14 days ago
 1 reply
 No Medals Yet
Mathematics

Sabrinathebruja:
Group Title
f(x) = x^2 + 6x  16
two real rational solutions
g(x) = x^2 +6x + 1
…
 updated 11 days ago
 4 replies
 1 Medal
Mathematics

love_to_love_you:
Group Title
PLEASE HELP. WILL MEDAL AND FAN !
1. Which set of ordered in the form of (x, y) does not represent a function of x?
a) {(1, 2), (3, 2), (0…
 updated 21 days ago
 7 replies
 No Medals Yet
Mathematics
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