Mathematics, 12.11.2020 04:40 christeinberg1
A radio manufacturer believes that the length of life of WPPX model radio is normal with µ=12 years and σ=2.5 years. (a) What percent of the radios will function for more than 16 years? (b) Suppose the company decides to replace 1% of the radios. Find the length of the guarantee period. i. e. find X. (c) What percent of the radios that will fail to satisfy the guarantee period of 10 years? , i. e. less than 10 years? (d) If 10% of the radios will function for more than X years, find X. Help, please!!
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A radio manufacturer believes that the length of life of WPPX model radio is normal with µ=12 years...
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