Q39Comprehension2 Marks11 Dec 2022
Passage
An urn contains some blue balls and some red balls. Shalini claims that if a ball is picked randomly from the urn, then the probability p that the ball will be blue is 0.2. Suspecting that 0.2 is too high, Nandan decided to pick 10 balls randomly. If two or more blue balls are picked out of those 10 balls, then he accepts Shalini's claim or else he rejects it. Based on the above data, answer the given subquestions.
Define null hypothesis and alternative hypothesis.