Question
The Nero Match Company sells matchboxes that are supposed to have an average of 40 matches per box, with = 10. A random sample of
The Nero Match Company sells matchboxes that are supposed to have an average of 40 matches per box, with = 10. A random sample of 90 matchboxes shows the average number of matches per box to be 38. Using a 1% level of significance, can you say that the average number of matches per box is less than 40?
(a) State the null and alternate hypotheses.
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Cambridge IGCSE And O Level Additional Mathematics
Authors: Val Hanrahan, Jeanette Powell
1st Edition
1510421645, 978-1510421646
