Lab tests of a new drug indicate a 70% success rate in completely curing the targeted disease. The doctors at the lab created th
e random data in the table using a representative simulation. The letter E stands for "effective," and N stands for "not effective." EEEE NEEE EEEE EEEN NEEN
NEEE EENE NNNE NEEN EENE
NENE EEEE EEEE NNNE ENEE
NEEN ENEE EENN ENNE NEEE
ENEN EEEE EEEN NEEE EENN
EENE EEEN EEEE EENE EEEE
ENEE ENNN EENE EEEE EEEN
NEEE ENEE NEEE EEEE EEEE
NENN EENN NNNN EEEE EEEE
ENNN NENN NEEN ENEE EENE
The estimated probability that it will take at least five patients to find one patient on whom the medicine would not be effective is ____.
The estimated probability that the medicine will be effective on exactly three out of four randomly selected patients is ____.
Cutting her time by 50% means reducing her time by half. Half of 45 seconds is 22.5 seconds. Therefore, to make the team, she must run a lap in 22.5 seconds.
