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There is a 80 percent chance of rain today and a 50 percent chance of rain tomorrow If the two events are independent what is the probability that it will rain today or tomorrow?
Wiki User
∙ 9y ago
It is 1 - prob(it does not rain today and tomorrow)= 1 - prob(it does not rain today)*prob(it does not rain tomorrow)
= 1 - [1- prob(it does rain today)]*[1 - prob(it does rain tomorrow)]
= 1 - [1 - 0.8]*[1 - 0.5]
= 1 - 0.2*0.5
= 1 - 0.1 = 0.9
Wiki User
∙ 8y ago
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There is a 20 percent chance of rain today and a 80 percent chance of rain tomorrow If the two events are independent what is the probability that it will rain today or tomorrow?
0.20 + 0.80*0.80
If there is a 60 chance of rain tomorrow and a 40 chance of wind and rain what is the probability that it is windy given that it is rainy Round your answer to the nearest percent.?
It is 67%.
If there is a 30 chance of rain on tomorrow what is the probability it will not rain on tomorrow?
There is a 70% chance it will not rain tommorrow! There is a 70% chance it will not rain tommorrow!
If there is a 90 chance of rain tomorrow and a 70 chance of wind and rain what is the probability that it is windy given that it is rainy Round your answer to the nearest percent.?
78% I just had this question on apex
If there is a 70 chance of rain tomorrow and a 50 chance of wind and rain what is the probability that it is windy given that it is rainy Round your answer to be the nearest percent?
P(R) = 0.7The correct choice of answer is B. 71%.
There is a 20 percent chance of rain today and a 80 percent chance of rain tomorrow If the two events are independent what is the probability that it will rain today or tomorrow?
0.20 + 0.80*0.80
The weather forecast says there is a 60 percent chance of rain today and a 40 percent chance of rain tomorrow What is the probability that it will rain today and tomorrow?
The probability that it will rain today and tomorrow is the multiplication of the probabilities of it raining both days. That is 0.6 X 0.4 = 0.24 So there is a 24% chance that it would rain both days.
If there is a 60 chance of rain tomorrow and a 40 chance of wind and rain what is the probability that it is windy given that it is rainy Round your answer to the nearest percent.?
It is 67%.
If there is a 30 chance of rain on tomorrow what is the probability it will not rain on tomorrow?
There is a 70% chance it will not rain tommorrow! There is a 70% chance it will not rain tommorrow!
If there is a 90 chance of rain tomorrow and a 70 chance of wind and rain what is the probability that it is windy given that it is rainy Round your answer to the nearest percent.?
78% I just had this question on apex
If there is a 70 chance of rain tomorrow and a 50 chance of wind and rain what is the probability that it is windy given that it is rainy Round your answer to be the nearest percent?
P(R) = 0.7The correct choice of answer is B. 71%.
What is the definition of or in a probability?
My answer for probability Probability is the chance that something will happen - how likely it is that some event will happen. Sometimes you can measure a probability with a number: "10% chance of rain", or you can use words such as impossible, unlikely, possible, even chance, likely and certain. Example: "It is unlikely to rain tomorrow".
If there is 20 percent chance of rain tomorrow will it rain?
Probably not
What is the Probability of snowing on Christmas eve?
probably a 93 percent chance.
If there is a 75 percent chance of rain on Monday and a 25 percent chance of rain on Tuesday what is the probability of rain on either Monday or Tuesday?
thirteen sixteenths.
Does a thirty percent chance of rain really mean it will rain?
A thirty percent chance is a low probability, so it probably won't rain, but it could.
What is the probability that someone lives if they have a 10 percent chance of dying in 10 years?
The probability of someone living for ten years is 90%.
