If on the average rain falls on 12 days in every 30 days, find the probability (1) that the first four days of a given week will be fine, and the remainder wet (ii) that rain will fall on just three days of a given week.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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If on the average rain falls on 12 days in every 30 days, find the
probability (1) that the first four days of a given week will be fine, and
the remainder wet (ii) that rain will fall on just three days of a given
week.
Transcribed Image Text:If on the average rain falls on 12 days in every 30 days, find the probability (1) that the first four days of a given week will be fine, and the remainder wet (ii) that rain will fall on just three days of a given week.
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