If you used a random number generator for the numbers from 1 through 20 to play a game, what is the theoretical probability of getting each of these o

pedzenekO 2021-01-24 Answered
If you used a random number generator for the numbers from 1 through 20 to play a game, what is the theoretical probability of getting each of these outcomes? a. A multiple of 3 or a multiple of 7, P(multiple of 3 or multiple of 7) b. P( even or odd) c. P(prime or 1) d. How did you find the probabilities of these events?
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okomgcae
Answered 2021-01-25 Author has 93 answers

a:
Game:1
number of multiples of 3 or 7 from 1 to 20
total numbers =20
p(multiples of 3 or 7)=(no of multiples of 3 or 7)/(total numbers)
=8/20
=2/5
b:
Game 1
Number of even or odd numbers=20
total numbers =20
p(even or odd)=(number of even or odd)/(total numbers)
=20/20
=1
c:
no. of prime numbers and 1
total numbers =20
p(prime or 1)=(number of prime numbers or 1)/(total numbers)
=9/20
d:
probability could be found by general probability which says
p(event)=(no.of times event occur)/(total no. of events)
=20/20
=1
Result:
a: 2/5
b: 1
c: 9/20

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