The time, in minutes, spent by customers at a particular gym has the distribution $$\(\mathrm{N}(\mu, 38.2)\)$$. In the past the value of $$\(\mu\)$$ has been 42.4. Following the installation of some new equipment the management wishes to test whether the value of $$\(\mu\)$$ has changed. State what is meant by a Type I error in this context. ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................
Exam No：9709_s21_qp_62 Year：2021 Question No：5(a)
Answer:
Conclude that (population) mean time has changed (or is not 42.4) although \(\mu\) has not changed (or is still 42.4)
Knowledge points:
6.5.4 understand the terms Type I error and Type II error in relation to hypothesis tests
Solution:
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