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prob stat: The prob of an event occurring is 0.27. What is the prob. that it will NOT occur?
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3:58
Variability or spread of a distribution. Whey we need it!
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2:33
prob stat: X & Y are 2 events s.t P(x|y)=0.4, P(y)=0.25 & P(x)=0.2.
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1:51
prob stat: An ordinary die is thrown. Find the prob. that the number obtained is
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2:26
When a die was thrown the scores was an odd #. What is the prob. that it was a prime #?
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3:26
Columbia U: 1st way integral ∫√(x^2-9)/x^4 dx
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1:44
A cubical die, numbered 1 to 6 is weighted so that a six is twice as likely to occur as any other #.
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2:15
Columbia U: 2nd way integral Find ∫1/(x √(9-x^2)) dx withOUT trig-sub
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Columbia U: 1st way Evaluate the indefinite integral 1/(1+e^x) dx
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0:47
prob stat: A fair die is thrown twice. Find the prob. that two 5's are thrown.
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1:02
U Penn: Evaluate trig integral ∫(sin^2(x) -cos^2(x))/(sin(x)-cos(x))^2 dx
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JHU: integral ∫t^3 e^(t^2) dt
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JHU: log ∫ln(t)/t^2 dt
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2:11
U Penn: Show that the following decomposition CANNOT hold ...
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0:37
U Penn: Assuming g(x) is a continuous function whose derivative g'(x) is also continuous, evaluate .
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1:10
JHU: sq root integral ∫e^√x dx
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1:24
U Penn: Show that the following decomposition CANNOT hold ...
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2:30
prob stat: Events A & B are s.t P(A)=.3, P(B)=0.4, P(A n B)=0.1. Find a) P(AnB') b)P(A' n B')
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1:30
3rd way: trig log integral ∫(a+ln(sin(x))/tan(x) dx
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3:30
1) integral ∫ 1/(1+x^2) dx 2) integral ∫ e^x/(1+e^(2x)) dx 3) integral ∫ cos(x)/(1+sin^2(x)) dx
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