In a game, a ball is thrown and lands in one of 4 slots, labelled $$\(A, B, C\)$$ and $$\(D\)$$. Raju wishes to test whether the probability that the ball will land in slot $$\(A\)$$ is $$\(\frac{1}{4}\)$$. State suitable null and alternative hypotheses for Raju's test. ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................
Exam No：9709_s21_qp_62 Year：2021 Question No：1(a)
Answer:
\(\mathrm{H}_{0}: p=\frac{1}{4}\)
\(\mathrm{H}_{1}: p \neq \frac{1}{4}\)
\(\mathrm{H}_{1}: p \neq \frac{1}{4}\)
Knowledge points:
6.5.2.1 direct evaluation of probabilities
6.5.2.2 a normal approximation to the binomial or the Poisson distribution, where appropriate
Solution:
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