Six customers enter a three-floor restaurant. each customer decides on which floor to have dinner. assume that the decisions of different customers are independent, and that for each customer, each floor is equally likely. find the probability that exactly one customer dines on the first floor.

Can someone me do math because i am having a breakdown rn because i don’t get it

Someone answer asap for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry