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QUESTION

Probability

If you designate six people at random, what is the probability that 3 of them will quit the study? Less than three? More than three? At least three? At most three?

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*********** ******* *** ** modeled ***** ******** ******************** ***** *********** of ******* *** failureThe *********** of ******* *** ***** probability ** ******* *** ****** * *** * ** qn-x for * **** and 1≤ **** *** *********** that 3 **** quitP(x=3) = *** * ***** ***** = 6c3 * ***** * 20 ******** ******** Probability **** **** **** * **** ******* ****** = *** **** *** **** *** **** *** * ***** +6c1 * (05)6 +6c0 * ***** * ***** ************* * **************** = 034375c) *********** that More **** * **** ******* >3) * *** **** P(x **** P(x ********** >3) * * * p(x ******* *** ≤3) = *** ****** * *** =3)=034375 +03125 * *************** *** ****** * * * p(x ****** ** 065625 =034375d) *********** that ** ***** * **** ****** ***** 3= *** *** 3) * p(x *** * *** ****** ******* ****** * ******** Probability that ** **** * will quitAt **** 3 * *** ≤3) * *** <3) + p(x ********** ****** = **********************

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** you ********* *** people ** ****** **** ** *** *********** that * ** **** **** quit the ********** **** ********** than three?At least ******** **** ***************************************** *********************** ********************* < ***************** = *********** 3) * *********** ** = *******

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