Nov 17, 2017 · The probability of getting at least one success is obtained from the Poisson distribution: $$ P (\mbox { at least one triple birthday with 30 people})\approx 1-\exp (- {30 \choose …

Oct 8, 2023 · I'm trying to understand how to mathematically determine whether two events are independent. This is for introduction to statistics, so the solution and explanation to this is likely very …

Out of 150 Students, 70 are studying maths, 40 are studying physics and 15 are studying both math and physics. Find the probability that a randomly chosen student is studying : A) math or physics ...

Jul 25, 2024 · The total number of orderings is $4!=24$. So the probability that the intervals don't overlap is $\frac {8} {24}=\frac {1} {3}$ and hence the probability of overlap is $\frac {2} {3}$. Ofcourse, all of …

Dec 12, 2020 · How to find probability in when using an "or" statement Ask Question Asked 4 years, 11 months ago Modified 4 years, 11 months ago

I am trying to gain basic understanding on how to calculate probabilities. Below are a few examples of what I am trying to calculate. I would prefer (if possible) for formulas to be given on how to

Jun 14, 2017 · Rudolph flips two fair coins, each with a half probability of getting heads. What is the probability he flips two tails in two tosses? So I was thinking $0.5 + 0.5 = 1$, but I got it wrong. I g...

Apr 7, 2015 · The probability for the first clock is obviously 98%. However, you must adjust that probability for the later clocks in the sample, because now there is one less good clock (and the …

Apr 18, 2017 · Going from left to right, the first part of the circuit (3 in parallel) will work unless all 3 devices fail, with probability $$ p_1=1- (1-.90)^3=.999. $$ the second part of the circuit (2 in parallel) …

Dec 12, 2016 · full question: "Find the probability of selecting exactly one of the correct six integers in a lottery, where the order in which these integers does not matter from the positive integers not exceed...