How to apply binomial distributions on extended despise questions?

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Can someone please explain to me how to do question. 4a? Thanks!

1 Answer
Dec 2, 2017

#0.35³ 0.65^4#
= 0.00765

Explanation:

It is just multiplying the odds for each day if one looks at the days from Monday till Sunday :
Monday : 0.35
Tuesday : 0.35
Wednesday : 0.35
Thursday : 1 - 0.35 = 0.65
Friday : 1 - 0.35 = 0.65
Saturday : 1 - 0.35 = 0.65
Sunday : 1 - 0.35 = 0.65