What is the probability of flipping a coin 10 times and getting heads 3 times?
Round your answer to the nearest tenth of a percent.

What is the missing constant term in the perfect square that starts with x^2 -20x

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?