A store manager buys binoculars for $45 each. He marks up the cost by 40% to get the store price. Then the store has a sale and
1 answer:
You might be interested in
Answer:
(a) 20 ways
(b) 0.05 or 5%
Step-by-step explanation:
(a) Assuming that the order in which people are chosen does not matter, the number of ways to select 3 people out of possible 6 is given by the following combination.
(b) In a random sampling procedure, every outcome is just as likely to occur. Therefore, the chances that any particular sample will be the one selected are: