Adina a colectionat 32 de cartonase cu fluturi. ea schimba 8 cartonase cu fluturi pentru cartonase cu pesti. daca un cartonas cu fluturi valoreaza cat 3 cartonase cu pesti, afla cate cartonase are fetita acum.

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.