A Sample of 16 ATM Transactions Shows a Mean Transaction

Multiple Choice

A sample of 16 ATM transactions shows a mean transaction time of 67 seconds with a standard deviation of 12 seconds. State the hypotheses to test whether the mean transaction time exceeds 60 seconds.

A) H₀: μ ≤ 60, H₁: μ > 60
B) H₀: μ ≥ 60, H₁: μ < 60
C) H₀: μ = 60, H₁: μ ≠ 60
D) H₀: μ < 60, H₁: μ ≥ 60