In the united states, the true probability of a baby being a boy is 0.512 (based on the data available at this writing). among the next five randomly selected births in the united states, what is the probability that at least one of them is a girl?

Answer this question! 30 points and brainliest! only if you know the answer.

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.