Suppose 288 electricians took a certification test that is worth 140 points. The five-number summary for the scores is shown here. min. value = 68
Q1 = 110
median = 125
Q3 = 130
max. value = 138
About how many electricians had a score of 110 or less?

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3