question archive Suppose that the factory claims that the proportion of ball bearings with diameter values less than 2
Subject:StatisticsPrice: Bought3
Suppose that the factory claims that the proportion of ball bearings with diameter values less than 2.20 cm in the existing manufacturing process is the same as the proportion in the new process.
is the null hypothesis is Ho: μ < 2.20
while the alternative hyposesis is Ha: μ = 2.30.