Mathematics, 06.04.2021 04:30 cesargonzaleztovar60
A factory produces bags of rubber bands. A bag of rubber bands has five different sizes: extra large (XL), large (L), medium (M), small (S), and extra small (XS). A quality control specialist collects a random sample of 450 rubber bands from the bagging machine and calculates a chi-square goodness-of-fit test to see if the frequencies for each size in the sample match the hypothesized distribution. The quality control specialist will test his sample against the following null hypothesis. H0:pXL=0.10,pL=0.20,pM=0.40,pS=0.20 ,pXS=0.10 How many medium rubber bands are expected in the random sample of 450 rubber bands?
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