Statistics Worksheets With Answers - Newbattle High School Page 32
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45Probability
Exercise 3
1.
Blind-folded, Jason pointed to an advert for fast-food.
If he pointed to a picture, what is the probability that he pointed to:
(a)
a hot dog
(b)
a hamburger?
2.
On a normal six-sided die (numbered 1 to 6), what is the probability of rolling:
(a) a four
(b) an odd number
(c) a number less than 3
(d) a prime number?
3.
The ‘ghostly’ dart board is shown below. You are allowed 1 throw only with a dart.
What is the probability that if you hit a picture, it will contain:
(a) a skeleton
(b) a devil
(c) a bat
(d) a spider
(e) a dinosaur?
4.
There are 49 numbers which can be drawn in the National Lottery.
What is the probability that the first number out will be:
(a) 44
(b) even
(c) a square number
(d) a multiple of 7?
5.
Arnold reckons that his chances of holing a putt is 70% (or 7 out of 10).
What is the probability that he won’t hole it?
32
Mathematics: Mathematics 2 (Int 1) Statistics – Student Materials
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