Which of the following are true: i) the population distribution is approximately normal for large enough n ii) the sampling distribution of x is approximately normal for any n iii) regardless of the population distribution, the mean of the sampling distribution of x equals the population mean mu none of these iii only ii only i only all of these

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.