SOLUTION: Probability question Given that we have a probabilty of rain on any given day of 0.2 what is the probability that over the course of the week, it rains on exactly two days?
Algebra.Com
Question 678729: Probability question Given that we have a probabilty of rain on any given day of 0.2 what is the probability that over the course of the week, it rains on exactly two days?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Probability question Given that we have a probabilty of rain on any given day of 0.2 what is the probability that over the course of the week, it rains on exactly two days?
-------
Binomial Problem with n = 7 ; p(rain) = 0.7 ; p(no rain) = 0.3
-----
P(x = 2) = 7C2*0.7^2*0.3*5 = binompdf(7,0.3,2) = 0.3177
==============
Cheers,
Stan H.
==============
RELATED QUESTIONS
Suppose it will rain on any given day eith the probability of 0.34, independent of... (answered by ilana)
In​ November, the rain in a certain valley tends to fall in storms of several​ days'... (answered by Boreal)
Their is a 80 % chance it will rain on any given day in Seattle what is the probability... (answered by rothauserc)
I know this problems represnets a geometric distribution, how would I rewrite the problem (answered by stanbon)
In January in a certain city the unconditional probability of rain on any given day of... (answered by stanbon)
The probability of rain on a given day in September is 0.25.
a) Assuming independent... (answered by swincher4391)
The probability of rain in a certain city is 1/8 on a given day. Find the probability... (answered by rfer)
probability of rain on day one is 50% and if it rain on day 1 probability of rain on day... (answered by ikleyn)
The Hiking Club plans to go camping in a
State park where the probability of rain on... (answered by htmentor)