Neuroblastoma, a rare form of malignant tumor, occurs in 11 children in a million, so its probability is 0.11.
four cases of neuroblastoma occurred in cape breton, which had 13636 children. assume the number of neuroblastoma cases in a group of 13636 children follows poisson distribution.
1. assuming that neuroblastoma occurs as usual, find the mean number of cases in groups of 13636 children.

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points