Predicting probability

In a random survey of 50 students at Great Middle School, 32 said chocolate was their favorite flavor of yogurt. The school has 450 students. How many of them are likely to select chocolate as their favorite flavor? 

• 144
• 162
• 225
• 288

Tags

CCSS.7.RP.A.3

The table shows the number of votes for different school mascots. Based on the information in the table, what is the most reasonable prediction of the number of votes for eagle out of the next 25 votes?

• 72
• 8
• 1
• 21

Tags

CCSS.7.SP.C.6

A bag contains:-5 red marbles-6 blue marbles-3 green marbles-4 black marbles-2 yellow marbles
A marble will be drawn from the bag and replaced 100 times. What is a reasonable prediction for the number of times a green or black marble will be drawn?

• 14
• 65
• 7
• 35

Tags

CCSS.7.SP.C.6

A principal randomly chose 40 students from grade 5. Of these students, 9 were wearing watches. Based on this information, what is the most reasonable prediction of the number of students wearing watches in a group of 120 students from grade 5?

• 27
• 9
• 18
• 80

Tags

CCSS.7.RP.A.3

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7
• 5/49
• 5/7
• 10/49

Tags

CCSS.7.SP.C.7B

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

Tags

CCSS.7.SP.C.7B

solve

• 72

• 68

• 36

• 54

Tags

CCSS.7.SP.A.2

solve

• 24

• 36

• 48

• 40

Tags

CCSS.7.SP.C.6

solve

• 16

• 24

• 14

• 12

Tags

CCSS.7.SP.C.6

solve

• 210

• 270

• 90

• 330

Tags

CCSS.6.RP.A.3B