One hundred people in a music store were surveyed about what type of they prefer. if 35% of them said they prefer rock music, how many people out of 1500 can be expected to prefer rock ! (answer fast )

What is the value of x in the this question ?

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

What is the sum of the first 8 terms of the geometric series