Al simultaneously flipped 5 fair coins 50 times. The outcomes are shown below.

No. of heads No head One head Two heads Three heads Four heads Five heads

Frequency 1 2 13 20 12 2

What is the probability of getting ________________________?

1. One head 5. Five heads

2. Two heads6. One tail

3. Three heads7. At least two heads

4. Four heads8. At most two heads

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There are 10 boxes of mangoes on a shelf. The number of rotten mangoes in each is shown in the table below.

Number of rotten mangoes 0 1 2 3 4

Number of boxes 3 2 2 1 2

If box of mangoes is selected at random, determine the probability that it contains ________________.

1. No rotten mangoes2. More than one rotten mango

C.Two fair dice are thrown. What is the chance of scoring a total of _________________?

1.Six or 112. Five or a difference of 1

D.Joan, Nelfe, Jen, Fel, and Bert took a jeepney ride in going home from school.

1.If there are exactly five seats available, in how many ways can be seated?

2.What is the probability that you can guess the arrangement?

E.How many distinct even numbers less than 400 can be formed from the digits 1 to 5?