A class of 28 students has a concert. If 15 dance and 19 sing in the concert and 7 both sing
and dance , find the probability that any one student, chosen at random, will:
(a) sing or dance
(b) only sing
(c) neither sing nor dance.
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Answered by
20
Answer:
and then a new one for you and then delete it
Answered by
0
Answer:
a 7/28
b 19/28
c no students is left so probability is 0/28
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