alison surveyed a group of students at her school. she found that 155 students owned a cell phone, and 76 of those students owned a laptop as well. she also found that there were 35 students that do not own a cell phone, but own a laptop. seventeen students did not own either device. complete this two-way table to summarize the data.

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.

Explain how to convert measurements in the metric system

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.