Within the ghost-hunter community, a commonly accepted theory is that the presence of a ghost decreases the temperature of a room by(25) On a visit to a
house in North Carolina, Sue and Ted witnessed a temperature drop from 5 F10827
F within 10 minutes. What was the percent of the decrease in temperature?

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

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.

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.