مفيش مراجعة احصاء انجليزى؟؟

[C A N D Y]

bosso 3ashan yeb2a el post ga befayda elly yela2y so2al helw yehotto

we da so2al gameel 5ales ma3aya egabto we mesh fahmaha bas isa 3ala bokra hafhamha

1-A box contains equal numbers of red and white balls are drawn with replacement . If X is defined as ''the number of red balls''
i)Write down the sample space of the experiment
ii)find the probability of distribution of X


2-A discrete random variable X its range is {0,1,2} and P(X=0) =1\3
its mean u = 5\6
find P(X=1) and P(X=2) and calculate its variance

yareet elly ye3raf el ta3reefat elly 3alena ye2olha 3ashan ana day3a 5ales

[رونالدينهوو]

[QUOTE=Punk Princess;521366]bosso 3ashan yeb2a el post ga befayda elly yela2y so2al helw yehotto

we da so2al gameel 5ales ma3aya egabto we mesh fahmaha bas isa 3ala bokra hafhamha

1-A box contains equal numbers of red and white balls are drawn with replacement . If X is defined as ''the number of red balls''
i)Write down the sample space of the experiment
ii)find the probability of distribution of X


2-A discrete random variable X its range is {0,1,2} and P(X=0) =1\3
its mean u = 5\6
find P(X=1) and P(X=2) and calculate its variance

yareet elly ye3raf el ta3reefat elly 3alena ye2olha 3ashan ana day3a 5ale
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