The exam scores of all 500 students were recorded and it was determined that these scores were normally distributed. if jane's score is 0.8 standard deviation above the mean, then how many, to the nearest unit, students scored above jane?

a. 394
b. 250
c. 400
d. 106

Use the distributive property to factor the expression. 15x + 6 a) 2 5 b) − 2 5 c) 3(5x + 2) d) 5(3x + 6)

Could somebody me with this radical simplification?

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.