The average number of heads that occur when a particular coin is flipped for one minute is eight. What is the probability that five heads are tossed during a particular 1-minute period?

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.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25