Reliability testing of the new 2.0 liter Chevy automotive engine has resulted in a time to failure distribution which is lognormal with t = 90,000 mi. and s = 0.60. Find: %3D med a. R(40,000 mi.) b. MTTF and Std. Dev. c. R(90,000|40,000) d. t .90
Reliability testing of the new 2.0 liter Chevy automotive engine has resulted in a time to failure distribution which is lognormal with t = 90,000 mi. and s = 0.60. Find: %3D med a. R(40,000 mi.) b. MTTF and Std. Dev. c. R(90,000|40,000) d. t .90
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 4SE: What might a scatterplot of data points look like if it were best described by a logarithmic model?
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Transcribed Image Text:Reliability testing of the new 2.0 liter Chevy automotive engine has
resulted in a time to failure distribution which is lognormal with
= 90,000 mi. and s = 0.60. Find:
med
%3D
a. R(40,000 mi.)
b. MTTF and Std. Dev.
c. R(90,000|40,000)
d. t
.90
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