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Marissa is researching information about martial arts students. She found that 7 out of 12 martial artists practice every day. There are 144 martial arts students at a school. a. Predict how many students practice every day. b. What is the sample size?
a coin is tossed and a number cube is rolled. what is the probability that the coin shows heads and the number cube rolls 5?
you have to choose one
which events are not independent? A. you draw two colored marbles without replacement and get one red and one blue B. you pull a green tile from a bag of tiles, return it, then pull a yellow tile C. you toss two coins and get one head, one tail. D. you
suzy likes to mix and match her 3 necklaces, 2 bracelets, and 6 hats. the colors are listed in the table. on monday, she randomly picks a bracelet, a necklace, and a hat. what is the probability of suzy choosing a red bracelet and silver hat?
a yogurt shop offers 5 different flavors of frozen yogurt and 11 different toppings. how many choices are possible for a single serving of frozen yogurt with one topping?
the spinner is divided into three equal parts. use a tree diagram to find that the spinner will land on a consonant both times if the spinner is spun twice A circle is divided equally into three sections labeled N, E, and U.
mary works in a factory that produces 1,000 telephones each day. when 30 telephones were sampled, it was found that 9 were defective. estimate how many telephones are defective each day
a survey showed that 62% of car owners prefer two-door cars, 26% prefer four-door cars, and 12% have no preference. you ask 400 people. how many do you think will prefer the two-door cars?
the probability of winning a game is 25%, how many times should you expect to win if you play 40 times
from a barrel of colored marbles, you randomly select 5 blue, 2 yellow, 3 red, 4 green, and 2 purple marbles. find the experimental probability of randomly selecting a marble that is not yellow
A number cube is rolled 360 times, and the results are recorded as follows :61 ones 26 twos, 36 threes, 76 fours, 73 fives, and 88 sixes. What is the experimental probability of rolling a 2 or a 3?
a standard number cube with numbers 1 through 6 is rolled. what is the probability of rolling a number greater than 5?
The table shows the snack preferences of 50 shoppers at the mall. What is the probability that one shopper, selected at random from the 50 surveyed, preferred the potato chips or pretzels? ------------------------------------ | Food | Number of Shoppers |
a game involves spinning this spinner. what is the probability of the pointer landing on y A circle is divided equally into eight sections.
