# math

posted by .

there is a 20% chance that it will snow on tuesday and a 50% chance that it will snow on Wednesday. what is the probabilty that it will snow on either day?

• math -

Either-or probabilities are found by adding the individual probabilities.

## Similar Questions

1. ### math

1> a bag contains 7 red 6 green and 7 white marbles, all identical but for color. what is the probability of selecting a red marble at random?
2. ### statistics

a weather girl predicts there is a 50% chance of rain and a 10% chance that the rain will turn into snow. What is the probability that it will snow?
3. ### re-post statistics

a weather girl predicts there is a 50% chance of rain and a 10% chance that the rain will turn into snow. What is the probability that it will snow?
4. ### Pysc

Benjamin Whorf argued that because the Inuit have many words for snow, A. they have more ways to describe snow than speakers of other languages. B. they have better perceptual skills than speakers with fewer words for snow. C.they …
5. ### english

“In the snow” is repeated three times in “Scott’s Goodbye.” What meaning might the writer have hoped to convey by repeating this phrase?
6. ### English 2b

Read the paragraph. The snow began falling early in the morning. Tiny, weightless crystals. By early afternoon, the ground was covered with several inches of snow. Snow flurries continued throughout the day. When the evening came, …
7. ### Math

If the chance for each of the next two days that it will snow is 2/5. What is the chance that it will not snow on any of these days?
8. ### MATH Help (NOT MULTIPLE CHOICE) PLZZ

The O’Toole’s leave their house in Canada to vacation in Mexico for a week over winter break. In their absence, their house receives an average of 8 inches of snow per day each day during the seven-day period. However, the average …
9. ### Math

What equation would I write for this problem. Please help. On Tuesday at noon there were 4 inches of snow on the ground. Then it snowed at a rate of x inches per hour for 7 hours. By Tuesday at 7:00 p.m. there were 25 inches of snow …
10. ### Math

Three neighbors measure the snow in their yards over an entire winter. Manny has 30 inches of snow, Mo has 3.5 feet of snow, and Jack has 1.5 yards of snow. The neighbors want to pile all of the snow into one giant snow pile so they …

More Similar Questions