Calculating Event Probability (Grade 7)

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Calculating Event Probability

1. 
What is the probability that the spinner will land on blue?
Spinner With Colors
  1. [math]P(blue) = 1/2[/math]
  2. [math]P(blue) = 1/3[/math]
  3. [math]P(blue) = 1/4[/math]
  4. [math]P(blue) = 1/6[/math]
 
2. 
What is the probability that the spinner will land on red or yellow?
Spinner With Colors - Uneven
  1. [math]P(R or Y) = 1/2[/math]
  2. [math]P(R or Y) = 1/3[/math]
  3. [math]P(R or Y) = 2/3[/math]
  4. [math]P(R or Y) = 3/4[/math]
3. 
What is the probability that the spinner will land on a vowel?
Spinner With Letters
  1. [math]P(vowel) = 2/5[/math]
  2. [math]P(vowel) = 3/5[/math]
  3. [math]P(vowel) = 4/5[/math]
  4. [math]P(vowel) = 5/5[/math]
 
4. 
What is the probability that the spinner will land on 1 or 4?
Spinner With Numbers
  1. [math]P(1 or 4) = 1/2[/math]
  2. [math]P(1 or 4) = 1/3[/math]
  3. [math]P(1 or 4) = 1/4[/math]
  4. [math]P(1 or 4) = 1/6[/math]
5. 
Kali rolls a six-sided number cube. What is the probability that the cube will land on a number less than 5?
Multi Side Dices 2
  1. [math]P(<5) = 1/4[/math]
  2. [math]P(<5) = 1/5[/math]
  3. [math]P(<5) = 2/3[/math]
  4. [math]P(<5) = 5/6[/math]
 
6. 
What is the probability that a six-sided number cube will land on an odd number?
Multi Side Dices 1
  1. [math]P(odd) = 1/2[/math]
  2. [math]P(odd) = 1/3[/math]
  3. [math]P(odd) = 1/6[/math]
  4. [math]P(odd) = 5/6[/math]
7. 
Which scenario for the spinner below has the following probability of occurring?
[math]P(?) = 2/3[/math]
Spinner With Numbers
  1. the spinner lands on a number less than 2
  2. the spinner lands on a number less than 4
  3. the spinner lands on a number greater than 2
  4. the spinner lands on a number greater than 4
 
8. 
Which scenario for the spinner below has the following probability of occurring?
[math]P(?) = 3/5[/math]
Spinner With Letters
  1. the spinner lands on B
  2. the spinner lands on C or E
  3. the spinner lands on a vowel
  4. the spinner lands on a consonant
9. 
A bowl of fruit contains 2 pears, 4 oranges, and 6 apples. If 1 piece of fruit is randomly picked from the bowl, what is the probability that it will be an orange or an apple?
  1. [math]P(O or A) = 1/6[/math]
  2. [math]P(O or A) = 2/6[/math]
  3. [math]P(O or A) = 3/6[/math]
  4. [math]P(O or A) = 5/6[/math]
 
10. 
Mrs. Flores has a shelf of magazines for her students to read. On the shelf are 6 sports magazines, 9 animal magazines, and 3 news magazines. If a student randomly selects 1 magazine from the shelf, what is the probability that it will be a magazine about animals or news?
  1. [math]P(S or N) = 1/2[/math]
  2. [math]P(S or N) = 2/3[/math]
  3. [math]P(S or N) = 5/6[/math]
  4. [math]P(S or N) = 1/9[/math]

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