The rocky mountain district sales manager of rath publishing inc., a college textbook publishing company, claims that the sales representatives make an average of 43 sales calls per week on professors. several reps say that this estimate is too low. to investigate, a random sample of 29 sales representatives reveals that the mean number of calls made last week was 44. the standard deviation of the sample is 4.1 calls. using the 0.050 significance level, can we conclude that the mean number of calls per salesperson per week is more than 43?

46.2+112.3

step-by-step explanation:

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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rauschg

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step-by-step explanation:

4 candies

step-by-step explanation:

7 x 28 = 196

200 - 196 = 4 candies remaining.