I have the answers
1. A single, standard number cube is tossed. what is rhe probability of getting a number other than 6?
Answer: 5/6
2. a game involves spinning this spinner. What is the probability of the pointer landing on Y?
Answer: 1/8
3. the table shows the drink preferences of 50 shoppers at the mall. What is the probability that one shopper, selected at random from the 50 surveryed, preferred either drink B or drink A?
Answer: 3/10
4.a standard cube with the numbers 1 through 6 is rolled. Find the probability of rolling a number greater than 5
answer: 1/6
5. a number cube is rolled 360 times and the results are recorded as follows: 41 ones, 54 twos, 62 threes, 75 fours, 33 fives, ans 95 sixes. What is the experimental probability of rolling a two or three?
answer: 0.32
6. From a barrel of colored marble, you randomly select 6 blue, 4 yellow, 2 red, 3 green, and 5 purple marbles. Find the experimental probability of randomly selectinh a marble that is not yellow
answer: 4/5
7. the probability of winning a game is 25%. how many times should you expect to win if you play 20 times?
answer: 5 times
8. a survey showed 56% of car owners prefer four door cars, 31% prefer two door cars and 13% have no prefference. You ask 300 people. How many do you think will prefer four door cars?
answer: 168 people
9. tony works in a factory that produces 1000 computers each day. when 50 computers were sampled, it was found 7 were defective. Estimate how many defective computers are made each day.
answer: 140 computers
10. the spinner js divided into equal parts. use a tree diagram to find the probability that the spinner will land on a constant both times if the spinner is spun twice.
answer: 1/9
11. an ice cream shop offers 5 different flavors of icecream and 9 different toppings. how many choices are possible for a single serving of icecream with one topping?
answer: 45 choices
12. sammy likes to mix and match her 4 necklaces, 2 bracelets, and 3 hats. the colors are listed in the table. on monday, she randomly picks a bracelet, necklace and hat. what is the probability sammy choosing a red necklace and a yellow bracelet?
answer: 1/8
13. which events are NOT independent?
answer: you draw two colored pencils without replacement and get one more red and one yellow
14. if two coins are tosswd, what is the probability that the first coin will show heads ans rhe second coins will show tails?
answer: 1/4
15. on friday nights the local diner serves three main entrées, each with a choice of vegetable. The entrées are beef, chicken and fish. the vegetables are spinach, broccoli and carrots. how many possible dinners does the diner serve? list them.
answer:
beef - spinach
beef - broccoli
beef - carrots
chicken - spinach
chicken - broccoli
chicken - carrots
fish - spinach
fish - broccoli
fish - carrots
9 possible combinations.
Your welcome!
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