The record of a weather station shows that out of the past 250 consecutive days, its weather forcasts were correct on 175 days.(i) What is the probability that on a given day it was correct ?(ii) What is the probability that it was not correct on a given day ?
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7/10
3/10
Step-by-step explanation:
The record of a weather station shows that out of the past 250 consecutive days, its weather forcasts were correct on 175 days.
the probability that on a given day it was correct =number of correct days/ total days
= 175/250
dividing numerator and denominator by 25
=7/10
the probability that it was not correct on a given day = 1 - correct probability
=1 - 7/10
= 3/10
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