A null hypothesis for a goodness-of-fit test and a frequency table from a sample are given. Some is wrong A B 153 727 (a) Find the expected count for the category labeled B. The expected count is Enter your answer in accordance to item (a) of the question statement . (b) Find the contribution to the sum of the chi-square statistic for the category labeled B. Round your answer to two decimal places. The contribution for the category labeled B is Enter your answer in accordance to item (b) of the question statement . (c) Find the degrees of freedom for the chi-square distribution for this table. Enter your answer in accordance to item (c) of the question statement degree(s) of freedom

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)