Based on the density graph below, what is the probability of a value in the sample space being anywhere from 60 to 80? Hint: The distance between consecutive horizontal gridlines is 0.004. A. 4%
B. 36%
C. 64%
D. 16%

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.