to the meteorological report for 300 consecutive day in a year its weather fore casts were correct 180 time out these day one day is chosen at random what is the weather forecast was. 1 correst on that day. 2 not correct onthat day
Answers
Answer:
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Answer:
i)0.6 ii)0.4
Step-by-step explanation:
Total number of days = 300.
(i) Let E = event that the forecast was correct on the chosen day . Then ,
P(E)=no., of days for which the forecasts were correc ttotal number of days
=180/300=3/5=0.6.
(ii) Number of days on which the forecast was not correct
= 300 - 180 = 120 .
Let F = event that the forecast was not correct on the given day .
Then , P(F) = 120/300=2/5=0.4.
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