A 95% confidence interval for a population mean was reported to be 152 to 160. If sample standard deviation σ=15, then sample size used in this study…
CUET UG 2025 — Mathematics Statistics & Applications
A 95% confidence interval for a population mean was reported to be 152 to 160. If sample standard deviation σ=15, then sample size used in this study is (Given Z0.025=1.96)
Held on 22 May 2025 · Verified 13 Jul 2026.
Options
- A
60
- B
50
- C
52
- D
54
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