You have 48 counters the first row has 3 counters the rest of the rows have 2 more counters than the first row how many rows do you need to use all of the 48 counters

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.