Tales de Mileto aplicaban sus conocimientos sobre geometría para medir construcciónes muy altas de manera indirectas. Un atleta francés que recorre a campo atraviesa ,pasa muy serca dvla torre Efel al medio dia .las dos sombras quedan registradas en un instante , cual sería la altura de la torres con los datos mostrados.. datos
torre Efel
altura x :

base 3.7

persona

1.90 de altura

0.45 base

ayuden plis​

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?