Write the equation of the perpendicular bisector of AB the equation of the line AB is Y-3=2(x-6) point Z (6,3) the midpoint of AB

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Will give brainliest summations with algebraic expressions image shown

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.