subject
Mathematics, 24.12.2019 01:31 amberskids2

Each day, a weather forecaster predicts whether or not it will rain. for 80% of rainy days, she correctly predicts that it will rain. for 90% of non-rainy days, she correctly predicts that it will not rain. suppose that 10% of all days are rainy and 90% of all days are not rainy.(a) what proportion of the forecasts are correct? (b) another forecaster always (100%) predicts that there will be no rain. what proportion of these forecasts are correct?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
Find x & pleeeeaaaassseeee me !
Answers: 1
question
Mathematics, 21.06.2019 21:30
Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter
Answers: 1
question
Mathematics, 21.06.2019 23:30
Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x
Answers: 1
question
Mathematics, 22.06.2019 00:00
Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?
Answers: 1
You know the right answer?
Each day, a weather forecaster predicts whether or not it will rain. for 80% of rainy days, she corr...
Questions
question
Mathematics, 25.02.2021 05:30
question
Mathematics, 25.02.2021 05:30
question
Mathematics, 25.02.2021 05:30
question
Health, 25.02.2021 05:30