A=
AP=
C0=V10
C1=V11
C2=V12
C3=V13
C4=
C5=
C6=
C7=
C8=
C9=
ES=Answers may vary.
F0=
F1=
F2=
H=$.hint$
INST=\n
M1=
M2=
M3=
M4=
M5=
M6=
M7=
M8=
M9=
MS=1
MW1=
MW2=
MW3=
MW4=
MW5=
MW6=
MW7=
MW8=
MW9=
N=
Q=The table below shows the marriage rate V5 for\n1000 Americans from 1980 to 1995.
$.tablenew$\n
V4
SA=Answers may vary.
T=M
TF=-1
TL=
TOL=+1E-4
U=NOUNIT
V0=I[1,3]
V1=S"Make a graph for these data."
V10=L[V0:V6,V16,V21 Americans]
V11=L[V0:V7,V17,V22 Americans]
V12=L[V0:V8,V18,V23 Americans]
V13=L[V0:V9,V19,V24 Americans]
V14=I[1,3]
V15=L[V14:2005,2010,2015]
V16=L[V14:8,7.5,7]
V17=R.1(V16-1)
V18=R.1(V16-0.5)
V19=R.1(V16+0.5)
V2=S"Predict the marriage rate for the year V15."
V20=I[20000,90000,1000]
V21=I(V20*0.085)
V22=I(V20*0.09)
V23=I(V20*0.08)
V24=I(V20*0.075)
V3=S"If you select a representative sample of V20 Americans in the year 2000, how many would you expect to marry? (Hint: Follow the pattern!)"
V4=L[V0:V1,V2,V3]
V5=S"y"
V6=S"$.1262811$"
V7=S"$.1262812$"
V8=S"$.1262813$"
V9=S"$.1262814$"
W=V0==1::The marriage rate V5 is decreasing:increasing. So the answer will be
V6\n\nV0==2::About V16:V17%\n\nV0==3::Since 8.5% of the\n1000, that is, 0.085(V20) = V21\nAmericans. \n
YN=-1
cnum=4
followup=
ilev=0
mcdm=1
mdm=0
mpc=unspecified
mpn=2
mpv=2.0
mwnum=2
ncd=-1
subject=unspecified
varnum=29
commentV6= //answer