Everything Maths Grade 10

14.2 Relative frequency EMA7X DEFINITION: Relative frequency The relative frequency of an event is defined as the number of time ...

t 1 2 3 4 5 6 7 8 9 10 f 1,00 0,50 0,33 0,25 0,40 0,33 0,43 0,50 0,56 0,50 t 11 12 13 14 15 16 17 18 19 20 f 0,55 0,50 0,46 0,50 ...

SOLUTION Step 1: In this experiment, each trial takes the form of Team 1 playing a soccer match against Team 2. Step 2: Count th ...

14.3 Venn diagrams EMA7Y A Venn diagram is a graphical way of representing the relationships between sets. In each Venn diagram ...

Worked example 5: Venn diagrams QUESTION Consider the set of diamonds removed from a deck of cards. A random card is selected fr ...

They are asked to identify the event set ofB. They get stuck, and you offer to help them find it. Which of the following sets be ...

a)Draw a Venn diagram to illustrate all this information. b)How many learners take Maths and Geography but not History? c)How ma ...

Exercise 14 – 4: 1.A group of learners are given the following Venn diagram: 4 3 15 10 14 9 8 2 13 12 5 1 11 7 6 A B A\B S The s ...

14.5 Probability identities EMA82 By definition, the sample space contains all possible outcomes of an experiment. So we know th ...

P(A) = n(A) n(S) = 5 36 P(B) = n(B) n(S) = 11 36 P(A\B) = n(A\B) n(S) = 2 36 P(A[B) = n(A[B) n(S) = 14 36 Step 2: Write down and ...

14.6 Mutually exclusive events EMA83 DEFINITION: Mutually exclusive events Two events are called mutually exclusive if they cann ...

Exercise 14 – 6: State whether the following events are mutually exclusive or not. 1.A fridge contains orange juice, apple juice ...

SOLUTION Step 1: Summarise the sizes of the sample space, the event sets, their union and their intersection We are told that 7 ...

2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 A B (A[B)′ A\B S The sample space can be described asfn:n εZ; 1 n 15 g. They are asked to ...

10 4 3 15 14 8 9 13 2 12 11 5 1 7 6 A B (A[B)′ A\B S The sample space can be described asfn:n εZ; 1 n 15 g. Are(A[B)′andA[Bmut ...

A probability of 0 means that an event will never occur. A probability of 1 means that an event will always occur. A probabilit ...

The sample space can be described asfn:n εZ; 1 n 15 g. They are asked to identify the event set ofB. They get stuck, and you o ...

3 2 1 4 5 6 7 9 8 10 11 12 13 14 15 A B (A[B)′ A\B S The sample space can be described asfn:n εZ; 1 n 15 g. They are asked to ...

Age 3 years old 4 years old 5 years old Male 2 7 6 Female 6 5 4 If a child is selected at random what is the probability that th ...

19.280 tickets were sold at a raffle. Jabulile bought 15 tickets. What is the probability that Jabulile: a)wins the prize b)does ...