For 95% confidence interval for a population mean reported to be 132 to 142 with standard deviation σ = 17.85 then the sample size used in this case,…
CUET UG 2025 — Mathematics Statistics & Applications
For 95% confidence interval for a population mean reported to be 132 to 142 with standard deviation σ=17.85 then the sample size used in this case, is:
[Given that: Z0.125=1.96]
Held on 2 Jun 2025 · Verified 13 Jul 2026.
Options
- A
36
- B
49
- C
64
- D
81
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