If p and q are subsets of a universal set U with N (U)= 200, n only(p)=80, n only (Q)= 60 amd (p U Q)=13p Find the value of n (P n Q) and n (P u Q)' by venn diagram ​

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Ineed with number 6 , explain how to get 1978