# math (probability)

posted by .

The probability that it will be rainy on Monday is 7/10. The probability that it will be windy on Monday is 6/10. These events are independent. What is the probability that it will be rainy or windy on Monday?: *
a.21/50
b.29/50
c.22/25
d.3/25

Please respond to the question above.

• math (probability) -

7/10 + (0.6)(0.3)= ?
or
6/10 + (0.7)(0.4)= ?
Two ways of doing it that yield the same answer

• math (probability) -

3/25

## Similar Questions

1. ### math

The probability that it will be rainy on Monday is 7/10. The probability that it will be windy on Monday is 6/10. These events are independent. What is the probability that it will be rainy or windy on Monday?
2. ### Algebra

The probability that it will be rainy on Monday is 7/10. The probability that it will be windy on Monday is 6/10. These events are independent. What is the probability that it will be rainy or windy on Monday?
3. ### Statistical Methods

Calculate the probability that 3 or fewer rainy days occur during the next 15 days. The probability any day is rainy is .2. For this question I tried using binomial distribution by setting x = 0, 1, 2, 3. p=.2 and n =15. After doing …
4. ### Math

In an experiment, the probability of the event E is known to be .4. Also the probability of the event F is .8,and the probability of E∪F is 1. i) Compute the probability of these events: P(E∩F)= P(E-F)= ii) Suppose the …
5. ### PreCalculus

How do you find the probability of three events happening at the same time?
6. ### statistics

in a beach side suburb it rains on 20% of days and is windy on 30% of days. if rain and wind are independent, on any particular day find the probability that: (a) it rains and is windy (b) it does not rain and is not windy (c) it rains …
7. ### statistic

in a beacside it rains on 20percent of days and is windy on 30percent a days.if rain and wind are independent on any particular days find the probability that it rains and it windy
8. ### math

Bob catches a train to work every day from monday to friday. the probability that the train is late on monday is 0.45. the probability that the train is late on any other day is 0.3. A day is chosen at random. Find the probability …
9. ### Maths (probability)

in a certain city the weather on a day if reported as sunny ,cloudy or rainy,if a day is sunny,the probability that the next day is sunny is 30%,cloudy is 20%,and rainy is 50%. if the day is rainy the probability that the next day …
10. ### maths probability plz help

The Probability that a USA-based business man goes to paris by car is 0.6 and by air is 0.4. If he goes by car, the probability that he will be early for his appointment is 0.3 while if he goes by air, the probability he'll be early …

More Similar Questions