
Calculating the probability that at least one of a series of events ...
I want to calculate the probability of at least one event happening in a series of multiple events. For example, let's say the probability of each event happening are: Event 1: 2/21 Event 2: 1/10 E...
Find probability that only one event will occur
Find probability that only one event will occur Ask Question Asked 12 years, 2 months ago Modified 6 years, 10 months ago
Given mean and standard deviation, find the probability
How do you find the probability that a random sample of n datapoints results in a sample mean less than some x? Example- Lets say the population mean is 12, and the standard deviation is 4, what is the …
How to find the probability, mean and cdf using a pdf
How to find the probability, mean and cdf using a pdf Ask Question Asked 12 years, 11 months ago Modified 11 years, 2 months ago
statistics - How can I find a probability given just mean and variance ...
Nov 27, 2011 · In principle, we need quite a bit more than mean and variance. If we use the normal approximation, the estimated probability is small, and the true answer is small, so the difference …
What's the probability of "at least" and "exactly" one event occurring?
Oct 14, 2011 · If it is, then how can I solve the following problem taken from DeGroot's Probability and Statistics: If $50$ percent of families in a certain city subscribe to the morning newspaper, $65$ …
How to calculate probability with Z score not on table?
The probability is the area below the Normal distribution's curve. For a score of $z=3.16$, the area under the Normal distribution from $-\infty \sigma$ to $3.16\sigma$ is $\approx 1$ (this is the …
Finding probability $P (X<Y)$ - Mathematics Stack Exchange
Feb 20, 2018 · How can I find this probability $P (X<Y)$ ? knowing that X and Y are independent random variables.
Probability of only A but not B ocurring?
Feb 8, 2017 · Now the question is, what is the probability of A and not B occurring? This may seem like a repeat question, but the only similar questions I could find on this site were trying to find the …
How to find probability that exactly only one of three events in a ...
Apr 28, 2013 · 2 As title states, I have 3 events X, Y, Z in a sample space each with a different probability of occurring, and I wanted to find the probability of exactly one of them happening. For …