The probability of a fair coin landing heads-up in one toss is 1/2 If a coin is tossed 20 times how many times would the coin be expected to land heads-up? A. 1
B. 20
C. 10
D. 2

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base