Computegradesign() write another function to return the grade sign (+ or -) from a number grade. the input will be the same as with computelettergrade() and the output will be a character. if there is no grade sign for a number grade like 85%=b, then return the symbol '*'. you must use at least one conditional expression. see the syllabus for the exact rules for applying the grade sign.

Powerful women's group has claimed that men and women differ in attitudes about sexual discrimination. a group of 50 men (group 1) and 40 women (group 2) were asked if they thought sexual discrimination is a problem in the united states. of those sampled, 11 of the men and 19 of the women did believe that sexual discrimination is a problem. if the p-value turns out to be 0.035 (which is not the real value in this data set), then at = 0.05, you should fail to reject h0. at = 0.04, you should reject h0. at = 0.03, you should reject h0. none of these would be a correct statement.

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart