Some auto companies design emission sensors so that they must be replaced after 100,000 miles. One such company found that the service life (in months) of these sensors is normally distributed with a mean of 48 months and standard deviation of 9 months. The company decided to replace sensors in the bottom 5% of service life. What should be the length (in months) of the guarantee

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered