Identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster. a large company wants to administer a satisfaction survey to its current customers. using their customer database, the company randomly selects 40customers and asks them about their level of satisfaction with the company. what type of sampling is used

answer: 8

step-by-step explanation: if you add the possibilities 5 different flavor and 3 different sizes 5+3=8

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x

the equation is not included but the answer is (1.50, 2.00, 2.75)

step-by-step explanation:

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6