The time, in minutes, taken by students to complete a test has the distribution $$\(\mathrm{N}(125,36)\)$$. Explain whether it was necessary to use the Central Limit theorem in the solution to part (a). ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................

Mathematics
IGCSE&ALevel
CAIE
Exam No:9709_s21_qp_61 Year:2021 Question No:2(b)

Answer:

No, population is normal

Knowledge points:

6.4.4 use the fact that has a normal distribution if X has a normal distribution

Solution:

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