Answer:
.1554
.6709
Step-by-step explanation:
p(20<x<22)= p(x<22)-p(x<20)
p(x<22)=(22-20)/5= .4 = .6554
p(x<20)= (20-20)/5= 0 = .5
.6554-.5= .1554
p(12<x<23)= p(x<23)-p(x<12)
p(x<23)= (23-20)/5= .6= .7257
p(x<12)= (12-20)/5= -1.6 = (1-.9452)= .0548
.7257-.0548= .6709
