Of the last 500 customers entering a supermarket, 50 have purchased a wireless phone. if the relative frequency approach for assigning probabilities is used, the probability that the next customer will purchase a wireless phone is
a. 0.10
b. 0.90
c. 0.50
d. none of these choices.

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Someone answer this asap rn 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)) =

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i