1) In column B select all the cells you want to contain the dots.
2) Enter =CHAR(108) and press ctrl + enter keys
3) set font to Wingdings (you should now have dots in all the selected B cells).
4) Use the following conditional formatting formulas to set dot colors:
=COUNTA($F2:$J2)=5 SET FONT TO GREEN
=COUNTA($F2:$J2)=3 SET FONT TO YELLOW
=COUNTA($F2:$J2)=0 SET FONT TO RED