A paint manufacturer wants to determine the average drying time of a new interior Wall paint. For 11 test areas of equal size he obtained a mean drying time of 66.3 minutes and a standard deviation of 8.4 minutes. If the confidence interval for the true mean is found to be [62.8251;69.7749], then find the significance level of this estimation? O a. 0.20 O b. 0.40 O C. 0.25 O d. 0.30 O e. 0.10 210730083951-38592

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0730083951-38592
Soru 8
A paint manufacturer wants to determine the average drying time of a new interior Wall paint. For 11 test areas of equal
size he obtained a mean drying time of 66.3 minutes and a standard deviation of 8.4 minutes. If the confidence interval
for the true mean is found to be [62.8251;69.7749], then find the significance level of this estimation?
O a. 0.20
O b. 0.40
O c. 0.25
O d. 0.30
O e. 0.10
210730083951-38592
Önceki sayfa
Sonraki sayfa
Transcribed Image Text:0730083951-38592 Soru 8 A paint manufacturer wants to determine the average drying time of a new interior Wall paint. For 11 test areas of equal size he obtained a mean drying time of 66.3 minutes and a standard deviation of 8.4 minutes. If the confidence interval for the true mean is found to be [62.8251;69.7749], then find the significance level of this estimation? O a. 0.20 O b. 0.40 O c. 0.25 O d. 0.30 O e. 0.10 210730083951-38592 Önceki sayfa Sonraki sayfa
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