A study was conducted in which two types
Open question
2022-05-02
A study was conducted in which two types of fried chicken, Jollibee and KFC, were compared. Number of fried chickens sold, was measured. 90 Jollibee branches were surveyed while 80 were surveyed for KFC. The average fried chicken sold was 7,020 for Jollibee and 8,100 fried chickens for KFC. Find a 94% and 98% confidence interval on . Assume that the population standard deviations are 1000 and 500 for KFC and Jollibee, respectively.
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