Search if-we-select-a-score-at-random-from-a-normal-population-with-a-mean-and-standard-deviation-of

# If we select a score at random from a normal population with a mean and standard deviation of

## Top Questions

certain casino, the average amount lost by a random gambler is \$20 per night, with a standard deviation of \$135. If we randomly select 60 gamblers, find the probability that as a group they win more than they lose that night.dard deviation of \$135. If we randomly select 60 gamblers, find the probability that as a group they win more than they lose that night.
View More

deviation of \$135. If we randomly select 60 gamblers, find the probability that as a group they win more than they lose that night.
View More

f the students make their choices independently and each is as likely to pick one integer as any other, what is the probability that 8 or more will select 4,5 or 6? b Having observed eight students who selected 4, 5, or 6, what conclusion do you draw based on your answer to part (a)?A missile protection system consists of n radar sets operating independently, each with a probability of .9 of detecting a missile entering a zone that is covered by all of the units. a If n = 5 and a missile enters the zone, what is the probability that exactly four sets detect the missile? At least one set? b How large must n be if we require that the probability of detecting a missile that enters the zone be .999?
View More