Q. A restaurant for fast food found that the average, for veggie pizza preparation and baking, is time is 7 mins in the
Posted: Sat Feb 26, 2022 11:24 am
Q. A restaurant for fast food found that the average, for veggie pizza preparation and baking, is time is 7 mins in the morning and 8 mins at evening time when a sample of size 20 is taken at the two time periods. From the previous record, the restaurant manager knew that veggie pizza preparation and baking has 0 = 2 mins and 02 = 2.5 mins for morning and evening shift respectively. Find the confidence interval estimate for H1 - 12 with 98% confidence level.