HCH's assembly unit has decided to use a p-Chart to monitor the proportion of defective castings produced by their production process. The control limits on these charts will be designed to include 98% of the sample proportions when the process is In Control. The operations manager randomly samples 250 castings at 12 successively selected time periods and counts the number of defective castings in the sample. Sample Defects
17
212
38
414
58
69
78
88
912
107

Required:
a. What is the Lower Control Limit?
b. What is the Upper Control Limit?
c. What is the z score?

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.

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