HELP SOLVE | MathCelebrity Forum

HELP SOLVE

jaffar

New Member
sample mean, sample size, and population standard deviation are given. Use the one-mean z-test to perform the required hypothesis test at the given significance level.

x = 3.7, n = 32, σ = 1.8, H0: µ = 4.2 , Ha: µ ≠ 4.2 , α = 0.05
 
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