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Help Please

 Jan 9, 2019
 #1
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+2

Don't know about (a), but here's the rest

 

(b)  P (x < 4)  =   [ 5 + 10 + 2 + 9 ] / 90  = 26 / 90  =   13 / 45

 

(c)  P (x = 6)  =   15 / 90   =   1 / 6

 

(d)  P  ( x ≥ 5 )  = [ 12 + 15 + 3 + 1 ] / 90   =   31 / 90

 

 

cool cool cool

 Jan 9, 2019

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