Question

On what percent of days did it actually​ rain? 24.9​% ​(Round to one decimal place as​ needed.) ​b) On what percent of days was rain​ predicted? nothing​% ​(Round to one decimal place as​ needed.) ​c) What percent of the time was the forecast​ correct? nothing​% ​(Round to one decimal place as​ needed.)

Answer 1

This question is incomplete, the complete question is;

Just how accurate are the weather forecasts we hear everyday? The table compares the daily forecast with a city's actual weather for a year.

FORECAST ACTUAL

Forcast Rain No Rain

Rain 28 63

No Rain 7 267

a) On what percent of days did it actually​ rain? 24.9​% ​(Round to one decimal place as​ needed.) ​

b) On what percent of days was rain​ predicted? nothing​% ​(Round to one decimal place as​ needed.) ​

c) What percent of the time was the forecast​ correct? nothing​% ​(Round to one decimal place as​ needed.)

Answer:

a) the percentage of days it actually rained = 9.6%

b) percentage of days rain was predicted = 24.9%

c) percentage of days forecast was correct = 80.8%

Explanation:

First we get the total number of days;

28 + 63 + 7 + 267 = 365 days

a)

days it actually rained = ( 28 + 7 ) = 35

now the percentage of days it actually rained

35/365 × 100 = 9.58% ≈ 9.6%

b)

days rain was predicted = ( 28 + 63 ) = 91

now percentage of days rain was predicted

91/365 × 100 = 24.93% ≈ 24.9%

c)

days forecast was correct = ( 28 + 267 ) = 295

now percentage of days forecast was correct

295/365 × 100 = 80.82% ≈ 80.8%