One hundred teenagers are sampled at random about how much time (in hours) they spend doing homework on a given night. The resul
1 answer:
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Answer:
7) p=80
8)z= 19.2
Step-by-step explanation:
7th problem)
0.1p=8
p * =8
=8
p=80
8th problem)
=8
z=8*2.4
z=19.2