"The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, what is the probability that at least 10 survive ?" 0.8451
0.2235
0.1245
0.0338

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

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?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year