If a 95% confidence interval for a population mean was reported to be 132 to 160 and sample standard deviation σ = 50, then the size of the sample in…
CUET UG 2025 — Mathematics Statistics & Applications
If a 95% confidence interval for a population mean was reported to be 132 to 160 and sample standard deviation σ=50, then the size of the sample in the study is:
(Given z0.025=1.96)
Held on 14 May 2025 · Verified 13 Jul 2026.
Options
- A
90
- B
95
- C
50
- D
49
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