a)A carpenter has a tool bag of screwdrivers: 8 slot-heads and 6 phillips-heads. Four screwdrivers are picked out of the
Posted: Mon Nov 15, 2021 12:42 pm
a)A carpenter has a tool bag of screwdrivers: 8 slot-heads and 6
phillips-heads. Four screwdrivers are picked out of the bag without
replacement. (i)What is the probability that none of
the screwdrivers picked are phillips-head? (ii)What is the
probability that at least 3 phillips-head screwdrivers are
picked?
phillips-heads. Four screwdrivers are picked out of the bag without
replacement. (i)What is the probability that none of
the screwdrivers picked are phillips-head? (ii)What is the
probability that at least 3 phillips-head screwdrivers are
picked?