There are 3 red marbles, 4 black marbles and 2 purple marbles. If you randomly reach inside the bag and choose one marble, what is the probability of getting a black marble?
4/9
There are 2 red marbles, 4 blue marbles, 8 pink marbles, and 10 yellow. If you randomly choose a marble what is the probability the marble is blue or pink?
1/2
How many people like skateboards and snowmobiles?
80
What is the probability that a randomly chosen student eats breakfast and is aged 10 - 13?
40/90
What is the range of the data?
5, 4, 7, 19, 34, 6, 12
30
What is the median for the data?
2, 6, 12, 13, 19
12
If you roll a 6 sided die, what is the probability that you roll a number greater than or equal to 3?
4/6 OR 2/3
Students scores were 51, 62, 68, 75, 76, 79, 89, 91, 93, and 94. What's the probability that a randomly selected student got an even score and their score was more than 70?
2/10 = 1/5
How many people in total were surveyed?
240
What is the probability that a randomly chosen person likes snowmobiles?
105/160
What is the mean of 45, 32, 78, 55, 92, 36, and 64 to the nearest hundredth?
402/7=57.43
What is the median of the data?
8, 34, 22, 7, 4
8
A class has 4 boys who play football, 8 boys who play soccer, and 7 boys who don't play a sport. The class also has 1 girl who plays football, 3 girls who play soccer, and 5 girls who don't play sports. If you randomly choose a student from the class, what is the probability that the student doesn't play any sports?
12/28 = 3/7
A class has 3 boys who play the sax, 2 boys who play the drums, and 4 boys who don't play an instrument. The class also has 2 girls who play the sax, 1 girls who plays the drums, 3 girls who play the flute, and 5 girls who don't play an instrument.
If you randomly select a girl from the class, what is the probability that she plays the sax or the flute?
5/11
How many people in total like football?
42
What is the probability that a randomly chosen person likes football and likes chocolate?
10/72
What is the mean age of the patients?
621/18 = 34.5
What is the median age for the flu patients below?
34
A class has 4 boys who play football, 8 boys who play soccer, and 7 boys who don't play a sport. The class also has 1 girl who plays football, 3 girls who play soccer, and 5 girls who don't play sports. If you randomly choose a soccer player, what is the probability that the player is a boy?
8/11
What's the probability that a randomly selected person likes snowmobiles and skateboards?
0.5
How many people like snowmobiles but do not like skateboards?
25
Given a students eats breakfast, what is the probability that they are aged 14-17?
12/47
Use the frequency table to determine the mean of the prize values?
$5.44
What is the median of the data?
300, 51, 74, 210, 183, 63, 86, 310
134.5
A bag has 30 purple marbles and some yellow marbles. The probability of choosing a purple marble is 2/5 . How many yellow marbles are in the bag?
45
What's the probability that a randomly selected student eats breakfast or is a student age 14-17?
76/90 = 38/45
How many people like vanilla and like football?
32
What is the probability that a person likes chocolate, given that they like soccer?
12/30
The mean of five data values is 18. If four data values are 12.8, 28.2, 37 and 7.4. What is the final data value?
4.6
What is the median number of pets owned by kids in the class?
Number of Pets Frequency
0 3
1 12
2 5
3 4
4 3
5 1
1