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Step-4

Title: Probability (coins)

Grade: 9-a Lesson: S3-L2

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step	Type	Explanation	Answer
1	Problem	If a coin is tossed 500 times and the tail appears 159 times then find the probability of getting a tail.
2	Step	Total number of outcomes	500
3	Step	The number of favourable outcomes	159
4	Formula:	P(E) =\$"Number of favourable outcomes" / "Total number of possible outcomes"\$
5	Step	After simplification according to formula	P(E) = \$\frac(159)(500)\$
6		Answer	C

Step

Type

Explanation

Answer

Problem

If a coin is tossed 500 times and the tail appears 159 times then find the probability of getting a tail.

Step

Total number of outcomes

500

Step

The number of favourable outcomes

159

Formula:

P(E) =\$"Number of favourable outcomes" / "Total number of possible outcomes"\$

Step

After simplification according to formula

P(E) = \$\frac(159)(500)\$

Answer

Tutor: Questions

Seq	Type	Question
1	Problem	What did you learn from this problem?
2	Clue	What did you learn from the clues?
3	Hint	What did you learn from the Hints?
4	Step	What did you learn from the Steps?
5	Step	How can we improve the Steps?

Seq

Type

Question

Audio

Problem

What did you learn from this problem?

Clue

What did you learn from the clues?

Hint

What did you learn from the Hints?

Step

What did you learn from the Steps?

Step

How can we improve the Steps?