What is the probability of pulling a spade or an ace from the deck?

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?