Instruction: Answer all the question below:

1. The following table gives the frequency distribution of the number of orders by a company for a month. Solve the following:

Classlimit frequency

35-39 3

40-44 6

45-49 7

50-54 4

total 20

a) Draw an ogive less than percentage (4 marks)

b) Calculate median and mode value (6 marks)

c) Calculate Quartiles 3 (3 marks)

2. The data below is a result from a sport tournament.

States GoldSilverBronze

United State 39 25 33

Russia 32 28 28

China 28 16 15

Australia 16 25 17

Others 186 205 235

a) Find the probability that the winner won the gold medal, given that the winner was from the United States(3marks)

b) Find the probability that the winner was from the United States, given that he or she won a gold medal. (3marks)

3. Data below is a data of diet soda among a public people.

Prefer diet soda female male All

No 72 96 168

Yes 58 36 94

All 130 132 262

a) What is the probability that the person is female, given that the person preferred diet soda? (3marks)

b) What is the probability that the person preferred diet soda, given that the person is female? (3marks)