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Please may someone help me?

 Apr 1, 2020
 #1
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a) Prob of rain on all three days = 0.73

 

b) Prob of rain on Friday and Saturday but not Sunday pfs = 0.72*(1-0.7)

    Prob of rain on saturday and Sunday but not Friday pss = (1-0.7)*0.72

    Prob that it will rain on exactly two consecutive days = pfs + pss.

 Apr 1, 2020

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