why would one bulb fail after six22 hours how to find the range of confidence intervals what are the two significance probability equations for an exponential distribution what is the probability of a lifetime on a light bulb what is the confidence interval of a test of a null hypothesis? what is the confidence interval in the value of pr? how to find a confidence interval what is the confidence interval of an estimate of a light bulb what is the confidence interval for a faulty light bulb what are the two confidence intervals of the test? the what is the significance probability of one particular light bulb what is the confidence interval in an experiment what is the confidence interval for a light bulb how do you calculate the confidence interval for a probability-based test of a null hypothesis. what is the significance of the value t0? what is the confidence interval for a test to find the lifetime of one light bulb? what is the definition of a confidence interval in an experiment? which statement describes an equation of significance probability? what is the confidence interval for a particular light bulb? what is the confidence interval for each value?