Aspinner has five equal sections that are numbered 1 through 5.

in which distributions does the variable x have a binomial distribution?

select each correct answer.

when the spinner is spun three times, x is the sum of the numbers the spinner lands on.

when the spinner is spun four times, x is the number of times the spinner does not land on an odd number.

when the spinner is spun five times, x is the number of times the spinner lands on 1.

when the spinner is spun multiple times, x is the number of spins until it lands on 5.

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

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

Pls never taught i’m really confused and i rlly need