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Probability, NAP-F1-18

The weather report says there is 80% chance of rain tomorrow.

Which of these describes the chance of it raining tomorrow?

`text(impossible)` `text(unlikely)` `text(likely)` `text(certain)`
 
 
 
 
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`text(likely)`

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`text(Anything over 50% chance is more likely than)`

`text(not of happening. Anything that is certain of)`

`text(happening must be 100% chance.)`

`:.\ text(80% chance is “likely”.)`

Filed Under: Chance, Chance, Chance, TESTLET A Tagged With: Band 4, smc-3053-10-Core Concepts, smc-712-10-Core Concepts

Probability, NAP-I1-27

Tom tossed a fair coin four times.

He tossed four tails in a row.

Which of the following is true for Tom's 5th flip?

 
Tom is most likely to flip a tail.
 
Tom is most likely to flip a head.
 
Both a head or a tail are equally likely to win.
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`text(Both a head or a tail are equally likely to win.)`

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`text(Every toss of a fair coin has an equal chance)`

`text(of being a head or tail.)`

`:.\ text(Both a head or a tail are equally likely to win.)`

Filed Under: Chance, Chance Tagged With: Band 5, smc-3053-10-Core Concepts, smc-712-10-Core Concepts

Probability, NAP-E2-15

Jack rolls a standard dice three times.

He rolls a six each time.

Jack then has a forth roll.

Which of the following is true?

 
He is more likely to roll a six than a four.
 
He is certain to roll a six.
 
He has an equal chance of rolling a six as a four.
 
He is more likely to roll a four then a six.
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`text(He has an equal chance of rolling a six as a four.)`

Show Worked Solution

`text(On any 1 given roll, all numbers have an)`

`text(equal chance.)`

`:.\ text(He has an equal chance of rolling a six as a four.)`

Filed Under: Chance, Chance, Chance Tagged With: Band 5, smc-3053-10-Core Concepts, smc-3137-10-Core concepts, smc-3137-40-Dice, smc-699-10-Core concepts, smc-699-40-Dice

Probability, NAP-I2-31

A soccer competition has six teams playing on the same day.

The table below shows the draw. 

If no match ends in a draw, which of the following is possible?

 
Tigers and Lions are the only teams that lose.
 
Lions and Cheetahs both lose.
 
Meercats and Civets both win.
 
Lions, Leopards, Civets and Tigers all win.
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`text(Meercats and Civets both win.)`

Show Worked Solution

`=>\ text(3 teams must win and 3 teams must lose.)`

`=>\ text(Teams playing each other cannot both lose).`

`:.\ text(Meercats and Civets both winning is the)`

`text(only option that is possible.)`

Filed Under: Chance, Chance, Chance Tagged With: Band 7, smc-3053-10-Core Concepts, smc-3137-10-Core concepts, smc-699-10-Core concepts

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