R2/ A sample was taken from normal distribulion N(M, 25) . whatis the sample size to get a length for the mean interval of 4 using 90% Confidence level?

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R2/ A sample was taken from normal distribuhion
N(u, 25) vwhais the Sample size to get
a length for the mean interval of 4 using 90%
Confidence level 7
Transcribed Image Text:R2/ A sample was taken from normal distribuhion N(u, 25) vwhais the Sample size to get a length for the mean interval of 4 using 90% Confidence level 7
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