A study determined that 8% of children under 18 years old lived with their father only. Find the probability that none of the children selected at random from 15 children under 18 years old lived with their father only The probability that none of the children lived with their father only is [.
(Do not round until the final answer. Then round to the nearest thousandth as needed.)

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.

The measure of an angle is 117°. what is the measure of a supplementary angle?

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