In a survey, 70% of people like chocolate. If 10 people are surveyed, what is th
Practice Questions
Q1
In a survey, 70% of people like chocolate. If 10 people are surveyed, what is the expected number of people who like chocolate?
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Questions & Step-by-Step Solutions
In a survey, 70% of people like chocolate. If 10 people are surveyed, what is the expected number of people who like chocolate?
Correct Answer: 7
Step 1: Understand that 70% means 0.7 when converted to a decimal.
Step 2: Know that you are surveying 10 people.
Step 3: To find the expected number of people who like chocolate, multiply the total number of people (10) by the percentage of people who like chocolate (0.7).
Step 4: Calculate 10 * 0.7, which equals 7.
Step 5: Conclude that the expected number of people who like chocolate is 7.
