Find the minimum sample sizen needed to estimate u for the given values of c, o, and E. C = 0.90, o = 7.5, and E = 1. Assume that a preliminary sample has at least 30 members. On=100 On=150 On=153 On=160

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Find the minimum sample size n needed to estimate u for the given values of c, o, and E.

c=0.90, o=7.5, and E=1

Assume that a preliminary sample has at least 30 members.

**Problem Statement: Estimating Minimum Sample Size**

To determine the minimum sample size \( n \) required to estimate the mean \( \mu \) using the specified parameters, consider the following:

**Given Values:**
- Confidence level (\( c \)): 0.90
- Standard deviation (\( \sigma \)): 7.5
- Margin of error (\( E \)): 1

Assume that a preliminary sample contains at least 30 members.

**Options for Sample Size \( n \):**
- \( n = 100 \)
- \( n = 150 \)
- \( n = 153 \)
- \( n = 160 \)
Transcribed Image Text:**Problem Statement: Estimating Minimum Sample Size** To determine the minimum sample size \( n \) required to estimate the mean \( \mu \) using the specified parameters, consider the following: **Given Values:** - Confidence level (\( c \)): 0.90 - Standard deviation (\( \sigma \)): 7.5 - Margin of error (\( E \)): 1 Assume that a preliminary sample contains at least 30 members. **Options for Sample Size \( n \):** - \( n = 100 \) - \( n = 150 \) - \( n = 153 \) - \( n = 160 \)
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