I know you want free points and to be marked brainless. To get that answer my question. NO SAYING WHAT? JUST ANSWER IT! Can you question a question that already been questioned?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Write the fraction or mixed number and the decimal shown by the model

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.